New Zealand Sub-Antarctic Islands
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A surprising diversity of aquatic oligochaetes (Annelida: Clitellata) has been discovered on Campbell Island/Motu Ihupuku, New Zealand. The study, conducted during the 2010/11 austral summer as part of the Campbell Island Bicentennial Expedition, recorded 19 species, including six Naididae, nine Enchytraeidae, and four Phreodrilidae, bringing the total number of microdrile species known from the island to 20. At least nine species are endemic to Campbell Island, with two new genera and four new species described. The fauna exhibits biogeographic affinities with other Southern Ocean/sub-Antarctic islands and high-latitude regions of southern continents, such as Macquarie Island and Tasmania. Species richness on Campbell Island far exceeds that of Macquarie Island, where only six species have been documented. The study highlights the need for further research to better understand the origins of this diversity and compare it with other islands.
Mount Qingcheng and the Dujiangyan Irrigation System
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Historical records suggest that the renowned Eastern Han dynasty official Cui Yuan served as Magistrate of Guan County and contributed significantly to the governance of the Dujiangyan Irrigation System. However, this study challenges that narrative by analyzing authoritative texts such as the <em>History of the Later Han</em> and the <em>Sichuan General Gazetteer</em>. The research concludes that there is no credible evidence supporting Cui Yuan's involvement in the system's maintenance or governance, thereby revising long-standing historical assumptions. This textual analysis relies on cross-referencing multiple historical sources to assess consistency and reliability, ultimately determining the improbability of Cui Yuan’s alleged contributions.
Droogmakerij de Beemster (Beemster Polder)
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A novel, low-cost UAV-based workflow enables immersive comparison of alternative construction scenarios in heritage landscapes. By integrating multi-angle UAV imagery with 3D Gaussian Splatting (3DGS) and Unity-based virtual reality (VR), researchers reconstructed the Beemster Polder World Heritage site with high visual fidelity, as validated by PSNR and SSIM metrics. Behavioral data from eye-tracking and head-motion analysis further supported the subjective ranking of scenarios, revealing that one alternative (M1) was perceived as more compatible than others in this pilot study. This approach bridges reality capture, immersive scenario review, and behavioral evidence, offering a reusable framework for heritage landscape assessments.
Fujian Tulou
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A novel value-oriented digital twin framework has been developed to interpret the heritage value of architectural sites, addressing limitations in current approaches that focus solely on geometric modeling and visual presentation. This framework integrates physical modeling, semantic organization, dynamic simulation, and interactive representation to systematically organize and interpret relationships among construction techniques, structural logic, social patterns, and environmental adaptation. Demonstrated through a case study of the Hegui Building, a Fujian Tulou World Heritage site, the framework effectively links fragmented heritage information into an interconnected value network, transforming static data into observable processes. This advancement enhances public understanding of heritage values by providing dynamic simulations and interactive visualizations, shifting the focus from object-oriented representation to value-oriented interpretation.
Mount Wutai
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A visual analysis of the map of Mount Wutai in Mogao Cave 61 reveals its significance as both a sacred landscape reconstruction and a political narrative. The mural, the largest extant landscape depiction on the Silk Road, serves as a visual pilgrimage space for believers unable to visit Mount Wutai while also reflecting the Guiyijun regime's political aspirations of peace and stability. Through art historical and iconographic analysis, the study demonstrates that this map mirrors cross-regional pilgrimage networks and the ideal order of multi-ethnic coexistence, underscoring Dunhuang's role as a cultural crossroads on the Silk Road.
Ennedi Massif: Natural and Cultural Landscape
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A deep learning framework using the YOLOv8 model achieves highly accurate detection of archaeological stone cairns in high-resolution satellite imagery, with precision and recall rates exceeding 83.5%. This non-invasive approach offers a scalable solution for documenting vulnerable heritage landscapes, such as those in the Ennedi Massif, where traditional field surveys are impractical due to remote terrain. The model, trained on GPS-verified cairns, demonstrated stable performance across diverse illumination conditions and outperformed YOLOv5n in localization accuracy while maintaining competitive precision and F1-scores. This workflow enables large-scale archaeological prospection and heritage monitoring, providing a critical tool for preserving and studying remote desert environments.
Bisotun
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A groundbreaking analysis reveals that the Qurʾānic concept of ʿabd ṣāliḥ ('righteous servant') serves as a lens to interpret Achaemenid Iran's monotheistic agency, particularly through Cyrus II and Darius I. This study challenges conventional theological readings by positioning ʿabd ṣāliḥ at the intersection of divine authority, political power, and historical responsibility. By comparing ethical-monotheistic principles from the Gāthās with Achaemenid inscriptions—especially Darius’s Bisotun inscription—and Qurʾānic frameworks, the research uncovers structural affinities in ritual practices between pre-Islamic Zoroastrianism and Islam. It also situates the Magians within a broader monotheistic historical tradition, avoiding anachronistic or doctrinal judgments. This approach facilitates comparative dialogue between Achaemenid political ideology, Qurʾānic thought, and pre-Islamic Iranian religion, offering a novel methodological framework for understanding divinely guided agency in ancient Iran.
Gough and Inaccessible Islands
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A significant increase of 47% in stranded artefacts, particularly plastic objects (65%), was observed at Inaccessible Island between 1984 and 1987, with distant-source artefacts rising by at least 120%. This suggests a recent surge in debris adrift in the South Atlantic Ocean. The study surveyed a 900 m boulder beach using a repeated sampling method to quantify macro-artefacts (>10 mm diameter), revealing minimum accumulation rates of 88 objects per km per year. Local fishery-related artefacts showed minimal increase, contrasting with the sharp rise in distant-source debris, highlighting broader oceanographic trends.
Historic Monuments and Sites in Kaesong
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The Inter-Korean Joint Excavation of Kaesong Manwoldae, spanning 12 years from 2007 to 2018, uncovered groundbreaking archaeological and historical insights. The project identified the unique terraced structure of the Goryeo royal palace and significant building sites, including Kyungnyeongjeon Hall, while also discovering one of the world's oldest metal movable types, showcasing the excellence of Goryeo-era culture. Beyond academic contributions, the excavation played a pivotal role in securing UNESCO World Heritage status for Kaesong Historic Areas and Monuments, bolstering global cultural prestige. The study highlights a resilient governance model that combined authorities and private sectors, proving adaptable even during political challenges. However, recent inter-Korean tensions necessitate alternative cooperation strategies, such as non-face-to-face digital restoration and archiving, to sustain academic continuity. Urgent institutionalization and legalization are proposed to ensure long-term cultural heritage exchange, positioning the Manwoldae project as a catalyst for future Korean integration.
Lines and Geoglyphs of Nasca and Palpa
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A groundbreaking acoustic analysis reveals that the Nazca Lines, ancient geoglyphs in southern Peru (200 BCE - 600 CE), encode specific musical frequencies through their physical dimensions. Researchers found that five zoomorphic geoglyphs—hummingbird, spider, monkey, condor, and whale—consistently resonate at F#6 (1478 Hz) with remarkable precision (±6 Hz or 0.4% error). Additionally, multiple structures align with the base frequency D#2 (77.78 Hz), previously linked to ancient scripts like Proto-Elamite and the Phaistos Disc. This discovery suggests a shared acoustic notation system across civilizations spanning 3,400 years and three continents, offering new insights into ancient communication and symbolic encoding.
Archipiélago de Revillagigedo
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New research on the Revillagigedo Archipelago reveals that the volcanic activity, previously attributed to hotspot geochemistry, is likely driven by a deep mantle plume rising around a mid-mantle slab remnant. Analysis of olivine-hosted melt inclusions shows melting conditions hotter and deeper than typical mid-ocean ridge basalts (MORBs), suggesting active mantle upwelling confirmed by seismic data indicating a deeper 410 km discontinuity and shallower 660 km discontinuity, implying the presence of hot material below the mantle transition zone. The study finds no evidence of fossil subduction wedge signatures in enriched melts, ruling out an ancient slab influence and supporting the hypothesis of plume-derived melts diluted by a depleted ridge component.
Red Fort Complex
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Indo-Islamic royal architecture in India emerged not as a rupture but as a continuous evolution, blending Islamic innovations with pre-existing Sanatan traditions rooted in Vastu Shastra. This study reveals that spatial planning, structural forms, and symbolic expressions—such as courtyards, axial symmetry, water systems, and garden layouts—remained consistent across eras, while Islamic elements like domes, arches, minarets, and calligraphy were integrated as aesthetic transformations rather than replacements. Through comparative analysis of Fatehpur Sikri, Agra Fort, and the Red Fort Complex, the research demonstrates that architectural synthesis created a hybrid yet continuous tradition, reflecting cultural integration and reinterpretation to express new political and religious identities. This challenges traditional narratives of architectural history in India, positioning it as a layered continuum rather than a series of disjointed developments.
Old City of Sana'a
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A study on the adaptive reuse of traditional houses in Yemen's Old City of Sana'a reveals significant improvements in both the physical structure of historic buildings and their surrounding urban areas. Despite its 2008 designation as a UNESCO World Heritage Site, research on this topic remains scarce. The study provides practical guidelines for adaptive reuse, aiming to preserve the cultural and social significance of these structures while enhancing their functionality. This approach offers a model for conserving architectural heritage in similar contexts.
Melaka and George Town, Historic Cities of the Straits of Malacca
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Adaptive reuse of Penang shophouses in George Town, Malaysia, offers a pathway to reconstructing shared memory and fostering a multicultural urban identity. The study highlights that current heritage management, while structured by formal conservation policies like the 2005 National Heritage Act and the 2016 George Town Special Area Plan, remains top-down and lacks community participation. Architectural practices often prioritize modernization over cultural continuity, leading to adaptive reuse projects driven primarily by tourism and gentrification. To address this, integrating postcolonial and decolonial frameworks—such as Bhabha’s spatial practices and Fritz and Krasny’s critical care—can reframe adaptive reuse as a tool for heritage conservation that transcends mere restoration. The research draws on literature reviews and site observations to outline how colonial legacies and ethnopolitical shifts have shaped fragmented perceptions of built heritage, delaying societal consensus on its role in national identity.
Ban Chiang Archaeological Site
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AI-based techniques show promise for preserving and innovating traditional Thai motifs, Ban Chiang and Sangkhalok. Image fusion effectively generated Ban Chiang motifs with minimal computational resources, while Low-Rank Adaptation (LoRA) fine-tuning enhanced Sangkhalok motifs by introducing modern features. The study found that blending abstract Ban Chiang qualities with representational Sangkhalok styles improved motif integration and creativity, although challenges like color accuracy control were noted. This research highlights AI's potential as a tool for cultural preservation and artistic innovation, emphasizing the need for further refinement in achieving precise blending of artistic forms.
Archaeological Site of Aigai (modern name Vergina)
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A novel RGB–multispectral image fusion workflow for precision archaeology achieves sub-centimeter accuracy, preserving nearly all spectral information despite acquisition gaps. The method combines PPK-based georeferencing with UAS data, enabling high-resolution documentation of archaeological sites like Aigai's Sanctuary of Eukleia and Philippi's funerary ensemble. Digital surface models (DSMs) and orthophotomosaics were generated at resolutions of ~2 cm (RGB) and ~14 cm (MS), with fusion improving MS resolution to 1 cm while maintaining spectral fidelity (average correlation ≈0.99 for Philippi, ≈0.85 for Aigai). The approach offers a reliable tool for material classification and pathology detection in archaeological features.
Mosi-oa-Tunya / Victoria Falls
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International water law principles, including equitable utilization and the no significant harm principle, can enhance the protection of the Zambezi River Basin by addressing its aesthetic cultural values. The study highlights the basin's global recognition for its natural beauty, exemplified by Mosi-oa-Tunya / Victoria Falls and Mana Pools National Park. Despite well-developed transboundary cooperation through the Southern African Development Community Treaty, threats from proposed dam development and mining pollution persist. Integrating sustainable development principles and protected areas conventions into legal frameworks offers a pathway to mitigate these risks while preserving the basin's aesthetic and ecological integrity.
Mausoleum of the First Qin Emperor
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Research on gold and silver ornaments from the Qin First Emperor's bronze chariots reveals that these components were produced using traditional piece-mould casting techniques, challenging assumptions about Western influence on early Chinese metalwork. The study employed digital microscopy, portable X-ray fluorescence (pXRF), and scanning electron microscopy (SEM) to analyze hundreds of gold and silver pieces used in chariot harnesses, canopies, and crossbows. Findings indicate that these techniques align more closely with indigenous Chinese practices, such as those used for bronze and iron manipulation, rather than Western methods like forging or filigree. The research also explores the growing significance of gold during the Warring States Period through comparative analysis with other Qin-era artifacts.
Garamba National Park
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A new species of silverfish, Afrolepisma zairense, has been documented exclusively within Garamba National Park, Democratic Republic of the Congo (DRC). This discovery highlights the unique biodiversity of the region, with the species found only at its type locality, Nalugwambala, in shrub savanna habitat. The study confirms its ecological association with soil at the base of Acacia sieneriana trees and adheres to recent taxonomic rulings regarding genus gender. This research contributes to the understanding of lesser-known invertebrate diversity within UNESCO World Heritage Sites.
Yin Xu
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A distinct type of lead, identified through isotopic analysis, reveals significant inter-regional communication during the Shang–Zhou transition in China. This lead, found both as ingots at Yinxu and pure objects at Zhengxiaozhuang, suggests stronger ties between the Central Plains and the Yangtze River region via western Dabie Mountain routes rather than eastern paths. The study highlights the technological innovation of incorporating lead into copper alloys and its role in mapping ancient trade networks.
Agra Fort
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Agra Fort is revealed as more than just a military stronghold; it is a powerful symbol of Mughal imperial authority and cultural synthesis. The study demonstrates how the fort's architectural evolution—marked by reconstructions under Emperor Akbar in 1565 and expansions during Jahangir and Shah Jahan's reigns—reflected the consolidation of Mughal power in northern India. By analyzing its ramparts, gateways, palatial complexes, and religious structures, researchers show how Mughal architecture blended indigenous Indian traditions with Persian-Islamic influences. Drawing on primary sources like <em>Tuzuk-i-Jahangiri</em> and <em>Ain-i-Akbari</em>, the paper argues that Agra Fort served as a dynamic center of administrative organization, cultural synthesis, and imperial projection, positioning it as a cornerstone in the broader network of Mughal fortifications.
Archaeological Site of Mystras
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An AI-driven framework leveraging BERT and LLMs like Gemini reveals deeper, actionable insights from visitor feedback at UNESCO World Heritage Sites, such as Mystras, by addressing the 'why' behind dissatisfaction. Unlike traditional sentiment analysis, this dual approach extracts fine-grained, aspect-based recommendations, offering tourism professionals a scalable tool to strategically respond to traveler needs.
Agra Fort
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A new study identifies airborne microplastic (MP) deposition at the Taj Mahal and Agra Fort, India's UNESCO World Heritage Sites, revealing a potential threat to their conservation. The research confirms the presence of multiple polymers—polyethylene (PE), low-density polyethylene (LDPE), polypropylene (PP), polyethylene terephthalate (PET), and ethylene–vinyl acetate (EVA)—with fibres being the dominant form. Advanced techniques like FTIR spectroscopy, SEM-EDX, and XRD were used to analyze dust samples, uncovering weathered surfaces that suggest MPs may accelerate deterioration of marble and sandstone by enhancing sorption of pollutants and microbial colonization. While the study establishes occurrence and material identity, it highlights the need for future quantitative analysis of MP deposition rates and urban air-quality management to protect these heritage sites.
Golestan Palace
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A rare and exquisitely illustrated manuscript, 'Akbar’s History of the Mongols' (Chingīznāma), originating from the atelier of Mughal emperor Akbar (r. 1556–1605), has been meticulously documented in its current state after surviving theft, dispersal, and partial recovery. This study reconstructs the manuscript's history, detailing the loss and renumbering of 98 paintings, which were part of Rashīd al-Dīn’s 'Jāmiʿ al-tavārīkh,' a celebrated but understudied work on Mongol history. The research employs a combination of historical analysis, codicological examination, and provenance tracking to identify missing illustrations and clarify the manuscript's complex journey from Akbar's royal library in India to its eventual return to the Golestan Palace Museum Library in Tehran. This work sheds light on the cultural significance and artistic legacy of Mughal-era manuscripts while preserving a fragment of their lost visual narrative.
Churches of Moldavia
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Moldavian medieval visual culture, particularly its eclectic integration of Byzantine, Western Gothic, and local elements, reflects selective adaptation rather than mere synthesis. This study reveals a distinctive Moldavian style—characterized by triconch plans, pointed arches, elongated proportions, and unique vaulting systems—that emerged under princely patronage during the 15th to early 17th centuries. The research demonstrates how Moldavia, under rulers like Stephen the Great and Peter Rareș, reimagined Byzantine and Western influences locally while maintaining spiritual and defensive functions in its monastic complexes, sometimes dubbed 'Second Mount Athos.' Mural cycles with comprehensive figural programs, including apocalyptic themes, further highlight this cultural synthesis. The study also documents later transformations under princes like the Movilă brothers, incorporating Slavic, Oriental, and Western motifs, marking a departure from earlier traditions.
Golestan Palace
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A rare firsthand account by Aliyeh Shirazi, an Iranian woman traveler, sheds light on the early Iranian museums established under Naser al-Din Shah Qajar. Her 1892 pilgrimage journey from Kerman to Mecca, passing through Mumbai and Tehran, included visits to a royal collection in Mumbai and Iran's first modern museum at Golestan Palace. Her brief but detailed observations provide overlooked insights into these historical collections, complementing existing accounts by male courtiers and Western travelers. This study highlights the significance of Shirazi's narrative in expanding our understanding of Iran's museum history during the 19th century.
Golestan Palace
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Aliyeh Shirazi's 19th-century travelogue offers the first known Iranian woman's account of Naser al-Din Shah Qajar's royal museums, providing overlooked details about these institutions. Her observations from visits to a British royal collection in Mumbai and Tehran's Golestan Palace complement existing accounts by male courtiers and Western travelers, enriching the historical record of Iran's early museum culture. This study highlights Shirazi's unique perspective as a female traveler, contributing to the understudied history of museums in Iran through her brief but valuable notes.
Messel Pit Fossil Site
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A detailed anatomical and taxonomic study of <em>Allaeochelys crassesculpta</em>, a fossilized softshell turtle from the Messel Pit (Germany), reveals unique cranial and carapace features that distinguish it from other Carettochelyinae. The research, utilizing µCT imaging and morphological analysis, identifies diagnostic traits such as a straight labial margin of the maxilla, a deep quadrate fossa, and a flat ventral surface of the basioccipital, while confirming the absence of nasal bones and carapace scutes. The study also provides an updated diagnosis and comprehensive description of referred specimens from Messel Pit, contributing to our understanding of Eocene turtle evolution.
Historic Town of Ouro Preto
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A novel annotated dataset, AltarData, achieves high accuracy in object detection within Brazilian heritage altars using deep learning, with validation accuracies reaching up to 97.3% for tabernacles and an F1-score of 79% in test experiments. This breakthrough addresses a critical gap in available datasets for cultural heritage research, enabling advancements in automatic digital documentation and technological inspections of historical churches. The dataset comprises 1278 high-quality images from 33 churches across Brazil, including three UNESCO World Heritage Sites, with annotations covering six key altar components: altar table, column, crucifix, saint sculpture, tabernacle, and throne. A deep learning approach with hyperparameter tuning was employed to optimize object recognition, demonstrating the potential for multi-object detection in interior environments of historical religious buildings.
Chartres Cathedral
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Research on the Chartres Cathedral labyrinth reveals that it operates under the scale-invariant frequency formula f = c/(sqrt(3) x r), where 'c' is the speed of light, and 'r' is the radius. This finding challenges the notion that the labyrinth functions as a Schumann resonator, instead demonstrating consistency with similar phenomena observed at vastly different scales—from the SOL ring (181 MHz) to the human skull (2 GHz) and Earth's resonant frequency (7.83 Hz). The path length of 888 Roman feet corresponds to the Greek isopsephy value for 'IHSOUS,' adding a numerical significance. With a Phi score of 0.2720, this study provides a novel perspective on the mathematical and symbolic dimensions of architectural designs.
Monticello and the University of Virginia in Charlottesville
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A study on Monticello and the University of Virginia in Charlottesville reveals that engineering projects, while designed to improve society, can inadvertently perpetuate social divisions. The research connects a technical project—a rover tasked with waste collection and sorting—to sociotechnical challenges between the university and the local community. Using Actor Network Theory, the study identifies physical, digital, and economic barriers that have strained this relationship since the university's founding. It also highlights the 2030 Plan as an ongoing effort to address these divisions. The technical project, constrained by the ASME competition, demonstrated the complexity of designing small-scale autonomous systems while emphasizing the need for responsible engineering choices that consider unintended social consequences.
Archaeological Ruins at Moenjodaro
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A metrological analysis of the Mohenjo-daro 'Dancing Girl' figurine reveals potential correlations between its dimensions and the traditional Indian Aayaadi measurement system, suggesting a possible link to the nakshatra Shatataraka. This study marks the first systematic examination of the sculpture's measurements using Aayaadi principles, proposing that further interdisciplinary research is needed to validate this hypothesis. The approach combines metrological analysis with iconographic features, offering new avenues for understanding the cultural and astronomical significance of one of the Indus Valley Civilization's most iconic artifacts.
Haeinsa Temple Janggyeong Panjeon, the Depositories for the Tripitaka Koreana Woodblocks
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This study reveals that personal names from the 13th-century Goryeo Dynasty, analyzed using woodblock inscriptions from the Tripitaka Koreana, follow four distinct structural patterns: fully sinicized names (both surname and given name), partially sinicized names (surname only), Buddhist dharma names, and native Korean names. The research identifies 42 surnames, including 'Gang' (姜) and 'Gong' (權), while noting that fully sinicized names with both surname and given name represent a minority (around 13%) of the analyzed sample. The study also highlights the challenges in distinguishing between dharma names and native Korean names due to overlapping structures. By systematically excluding later annotations, reconstructing truncated names, and removing phonetic marks, the analysis provides a nuanced understanding of naming conventions during this period, reflecting both sinicization trends and the unique practices of Buddhist monks.
Fortress of Suomenlinna
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An archaeological analysis of an underwater cannon site at the sea fortress Suomenlinna reveals that the studied cannon likely originated from a coastal defense system, rather than a Swedish warship located nearby. The research focused on one barrel and carriage, employing material culture studies to determine its original context. By examining the cannon's characteristics and comparing them with known ship-based artifacts, the study sheds light on the reuse of cannons in Suomenlinna's history, particularly around its church. This finding contributes to understanding the fortress's strategic significance during the Swedish era (c. 1450–1850) and the broader material culture of naval defense in the Baltic Sea.
Group of Monuments at Hampi
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Tourists' demographic profiles significantly influence their purpose for visiting heritage destinations, with leisure and recreation being the predominant motive among those who have visited both Mysore and Hampi. The study identified that nationality, gender, age, marital status, and income play critical roles in shaping travel decisions. Using a judgmental sampling method, researchers analyzed responses from 150 tourists to assess how these demographic factors correlate with travel purposes such as leisure, business, or education. Statistical analyses, including Crosstabulation and Chi-Square tests, revealed strong relationships between demographics and destination preferences. The findings also highlight the importance of targeted promotional strategies to attract more visitors to these UNESCO World Heritage Sites.
Masjed-e Jāmé of Isfahan
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Kufic Banna’i script in the inscriptions of Isfahan’s Abbasi Jameh Mosque during the Safavid era served as both a decorative and functional element, breaking traditional script rules to enhance artistic expression. This study reveals its dual role in conveying religious and non-religious texts while contributing significantly to the monument's aesthetic value. Researchers analyzed visual and geometric features through descriptive-analytical methods, including library studies and field investigations, focusing on Safavid-era inscriptions. The findings highlight the script’s evolution, tracing its origins to pre-Islamic times and its enduring influence across Islamic art. This research underscores the Safavid period’s artistic prominence by examining how deviations from conventional Banna’i structures enriched the mosque’s inscriptions.
Monte San Giorgio
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A detailed analysis of a Middle Triassic ichthyosaur fetus from the Besano Formation at Monte San Giorgio, Italy, confirms its prenatal stage and challenges recent interpretations that it might be stomach contents. The fetus, belonging to <em>Besanosaurus leptorhynchus</em>, exhibits features such as tail-first orientation—common in derived ichthyosaurs—and palatine teeth, a rare trait among ichthyosaurs. This discovery provides new insights into the reproductive biology and developmental stages of early-diverging merriamosaurian ichthyosaurs, supporting the original interpretation of the specimen's origin.
Villa d'Este, Tivoli
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A novel integration framework for heritage maintenance, coupling Heritage Building Information Modelling (HBIM) with Internet of Things (IoT) monitoring and evolving toward a Cognitive Digital Twin (CDT), demonstrates operational feasibility in complex environments like the Grotta di Diana at Villa d'Este. This approach reconciles quantitative performance objectives with occupant needs and conservation constraints through a four-phase early-stage workflow. While predictive components remain under development, the study highlights the potential of non-invasive IoT sensor networks to support informed decision-making in heritage refurbishment, bridging technological integration gaps in the AECO sector.
Mountain Resort and its Outlying Temples, Chengde
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A novel framework, Hazard-Ecology-Perception Landscape Planning (HEPLP), has been developed to address the growing vulnerability of cultural landscapes to climate change and urbanization. This integrative approach combines geographical hazards, ecological sensitivity, and heritage value perceptions—both expert and public—to guide sustainable conservation strategies. Applied to Chengde Mountain Resort, HEPLP identified nine distinct landscape clusters through GIS-based hazard and ecology mapping alongside large language model analysis of heritage perception. The framework reveals critical trade-offs between ecological sensitivity and heritage value, offering spatially explicit guidance for balancing conservation priorities. Unlike previous models that focus on single or dual dimensions, HEPLP provides a holistic tool for navigating environmental and social challenges in cultural landscape management.
Møns Klint
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Landslide events at Møns Klint, Denmark, are relatively evenly distributed along the cliff and occur year-round but cluster in winter and spring. This finding emerges from a meticulously compiled inventory of 63 landslide events spanning 1801 to 2024, which combines Danish Nature Agency records with additional sources and georeferenced data. The study provides a baseline for operational monitoring and hazard communication while also highlighting limitations such as locality name uncertainty, variable temporal precision, and reporting bias. It supports further research on event frequency, spatial distribution, and potential drivers like coastal erosion and freeze–thaw processes. The dataset serves as a template for developing a national landslide-event inventory for Denmark.
Church and Dominican Convent of Santa Maria delle Grazie with “The Last Supper” by Leonardo da Vinci
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A two-decade investigation of Leonardo da Vinci’s <em>The Last Supper</em> reveals recurring anthropomorphic and compositional characteristics behind Christ, observed through advanced imaging techniques. The study employed non-invasive methods—including high-resolution photography, tonal-density mapping, and AI-assisted analysis—to document these features without advancing a predetermined conclusion. While the exact explanation remains unresolved, potential causes include deterioration, restoration history, or underlying compositional layers. This work serves as a historical record for future conservation and multidisciplinary research, offering new insights into Renaissance art and mural preservation.
Rideau Canal
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A groundbreaking open-source pipeline, Mesh2Tile, significantly advances the processing of photogrammetric meshes for interactive 3D visualization in game engines. It achieves up to a 62% reduction in file size for larger models while maintaining performance comparable to commercial solutions like Cesium Ion, enabling real-time streaming at 120 FPS in Unreal Engine 5. Unlike existing tools, Mesh2Tile employs adaptive octree tiling based on triangle density and per-tile texture baking, eliminating redundancy and offering precise control over level-of-detail (LOD) generation. Validated through a case study of the Bytown Museum Commissariat Buildingthis pipeline addresses cost barriers and data sovereignty concerns, empowering institutions to manage sensitive heritage data efficiently while ensuring high-performance visualization.
Central Amazon Conservation Complex
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A cytogenetic analysis of the leaf frog <em>Callimedusa tomopterna</em> across Central Amazon bioregions reveals distinct chromosomal structuring patterns influenced by major rivers, suggesting cryptic diversity within the species. The study found a conserved karyotype (2n=26) but identified significant north-south differences in nucleolar organizer region (NOR) location on chromosome pair 7, supported by molecular techniques like FISH and fluorochrome staining. These patterns imply structural rearrangements, such as pericentric inversions, potentially driven by geographic barriers like the Amazon River. The findings hint that <em>C. tomopterna</em> may represent a species complex, with implications for evolutionary and taxonomic studies in the region.
Historic Monuments Zone of Tlacotalpan
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Two exceptionally precise maps from the 16th-century Relaciones Geográficas—those of Tlacotalpan and Coatzacoalcos (1580) by Francisco Gali—stand out for their meticulous metric-cosmographic techniques, offering rare examples of early scientific cartography in Hispanoamérica. Unlike typical colonial maps lacking rigor, Gali’s works, recognized for their accuracy comparable to European standards, were analyzed using modern cartographic tools and current geography. Findings reveal Tlacotalpan’s map has a planimetric precision error range of 1.3% to 25.8%, while Coatzacoalcos’s features dual scales (1:428,700 coastal and 1:181,200 fluvial), reflecting adaptive methodologies shaped by terrain and commissioning circumstances. This analysis underscores Gali’s mastery in blending navigation techniques with geographical documentation, providing invaluable insights into 16th-century cartographic practices.
Comoé National Park
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A study analyzing vegetation dynamics in the southern part of Comoé National Park, Côte d’Ivoire, using LANDSAT satellite imagery from 2002 to 2022, reveals two contrasting phases: a period of decline (2002–2012) marked by a 51% reduction in dense forests and accelerated savannization, followed by notable recovery post-2012 with wooded savannas expanding by 29%. Despite resilience, habitat fragmentation and persistent anthropogenic pressures persist, necessitating integrated management strategies such as ecological corridor restoration to ensure long-term biodiversity conservation. The research validates these findings using a robust methodology (Kappa > 0.77) and highlights the interplay of natural and human factors in shaping the park's landscape.
Historic Centre of Sheki with the Khan’s Palace
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2026 —
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A severe decline in European chestnut (Castanea sativa Mill.) stands across the Sheki-Zaqatala region of Azerbaijan, driven by chestnut blight (Cryphonectria parasitica) and root/collar rot (Phytophthora spp.), has resulted in 65% mortality and 30% progressive dieback of surviving trees. The study, covering 71 villages at altitudes of 600–1,600 m, found that older trees (50–100 years) were most vulnerable, leading to a 60–70% drop in regional chestnut yield since the 1990s. While C. parasitica was prevalent, Phytophthora was also identified as a significant contributor, particularly in southern villages. The research highlights the need for a combined phytopathological approach to restore these culturally and economically vital stands.
Anjar
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2026 —
WHEF22EB101E8
A comparative analysis of 3D surveying techniques reveals that both terrestrial laser scanning and drone-based photogrammetry are highly effective for documenting archaeological sites, with integrated datasets offering the most precise results. The study, conducted at Anjar citadel in Lebanon, demonstrates that these technologies can significantly enhance archaeological investigations by providing detailed 3D maps, façades, and sections that aid in understanding construction techniques and phases. Accuracy assessments, using high-precision reference measurements, show minimal discrepancies, underscoring the reliability of these methods under specific environmental conditions. The findings provide practical guidance for integrating 3D surveying tools into archaeological research and site conservation efforts.
Historic Centre of Shakhrisyabz
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2026 —
WHED3C0868FE4
A groundbreaking analysis of the Kok Gumbaz Mosque's dome in Shakhrisyabz reveals sophisticated architectural innovations that integrate structural stability with climatic adaptation. The study identifies key relationships between the dome’s geometry, load-bearing systems, and transitional elements—particularly the squinch-like transitions—that enhance durability while minimizing material use. Findings underscore the mosque’s advanced engineering, offering critical insights for both historic preservation and modern design. By examining wall thickness and material integration, researchers demonstrate how 15th-century techniques remain relevant today.
Saloum Delta
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2026 —
WHEF9B5D77990
A study of the Saloum Delta reveals significant coastal erosion and groundwater salinization risks, particularly around the Mar Islands. Research shows that shoreline retreat rates reach up to -0.96 meters per year on the concave banks, driven by hydrodynamic energy concentration and sediment supply deficits. Conversely, convex banks experience low-energy sedimentation. While deep Paleocene and Maastrichtian aquifers provide primary water sources, they face high mineralization and fluoride levels exceeding drinking standards. The findings highlight the vulnerability of the delta's estuarine systems to both natural and human-induced pressures, emphasizing the need for integrated management of water and coastal resources.
Archaeological Ensemble of Mérida
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2026 —
WHE468432B945
A comprehensive analysis of the geomaterials used in the Late Antique wall of Emerita Augusta (Mérida, Spain) reveals traditional Roman construction techniques and material provenance. The study identified granite types and confirmed the use of fully carbonated lime as a binding agent in mortars, consistent with historical practices. Using advanced techniques such as XRD, XRF, ICP-MS, TGA-DTA, and SEM, researchers characterized mineralogical, textural, and geochemical properties, providing critical insights for the preservation and restoration of this UNESCO-listed heritage site. These findings enhance understanding of late antiquity construction methods and support evidence-based conservation strategies.
