Core Viewpoint - The article highlights the cultural and historical significance of Heyang Ancient Village in Zhejiang, showcasing its architectural heritage, community life, and ongoing preservation efforts [2][3][4][5]. Group 1: Historical and Cultural Significance - Heyang Ancient Village is recognized as a historical and cultural site, with designations such as a national key cultural relic protection unit and a 4A-level tourist attraction [2]. - The village features ancient architecture from the Ming and Qing dynasties, including 10 clan-style ancient buildings and over 100 old residences, reflecting the poetic landscape of Jiangnan [2][3]. Group 2: Architectural Features - The village's layout, established during the Yuan Dynasty, includes a water system that circulates water through the village, contributing to its aesthetic and functional design [3]. - Architectural styles in Heyang blend elements from Suzhou, Huizhou, and northern China, showcasing a unique local flavor [3]. Group 3: Preservation Efforts - Restoration projects, such as the ongoing repairs of the He Gong Special Ancestral Hall, utilize advanced technologies like 3D laser scanning while preserving traditional craftsmanship [4]. - The management center has implemented a grid system for regular inspections and repairs, ensuring the maintenance of the village's historical buildings [5]. Group 4: Community Engagement - Local residents actively participate in preservation efforts, donating thousands of ancient artifacts to establish two folk museums that display traditional furniture, agricultural tools, and handicrafts [5]. - The village hosts various cultural activities and festivals, attracting tourists and fostering community engagement [5].

Urban Renewal and Historical Building Protection - The article discusses the challenges and innovations in urban renewal, focusing on the balance between space development and the preservation of historical buildings [1][4] - In Shanghai, the innovative "stepping walking" technology allows for the safe relocation of historical buildings, such as the 90-year-old Huayanli building, without damage [2][3] - The technology enhances safety margins, increases construction efficiency, and reduces costs compared to traditional methods [2][3] Technological Applications in Historical Preservation - The use of 3D scanning and drone photography provides precise data for the restoration of ancient buildings, ensuring scientific and accurate progress in preservation efforts [4] - In Lhasa's Barkhor Ancient City, over 1,300 buildings are preserved while integrating modern amenities, showcasing a blend of tradition and contemporary living [4][5] Safety Measures in Urban Infrastructure - In Hefei, the installation of gas leak alarms in commercial establishments enhances safety by automatically shutting off gas valves and notifying owners in case of leaks [6][7] - The Hefei city infrastructure safety project aims to address urban safety needs through a comprehensive monitoring network, utilizing advanced technologies for disaster prediction and response [7][8]

Group 1: Climate Change Impact on Cultural Heritage - One-sixth of the world's cultural heritage is threatened by climate change, with extreme weather and ecological imbalance causing significant damage [1] - In Shanxi, 1,783 cultural relics were affected by unusual heavy rainfall in October 2021, including 61 sections of the World Heritage site Pingyao Ancient City, which suffered structural collapses [2][3] - Long-term climate changes can gradually damage cultural relics, with a 1°C increase in global average temperature leading to a 20%-25% reduction in wood strength and a 30% increase in stone weathering rates [3][4] Group 2: Challenges in Cultural Heritage Preservation - Approximately 10% of registered protected buildings in China have gradually disappeared since the 21st century, with about 2,000 heritage buildings lost each year [4] - The shift from passive restoration to proactive maintenance is necessary for cultural heritage protection, emphasizing the need for innovative technologies and risk awareness [5][6] - There is a shortage of professionals skilled in both technology and restoration theory, which hampers preventive protection efforts [7][8] Group 3: Resilience Protection Systems - A resilience protection system is needed for ancient buildings to adapt to external shocks and environmental changes [9][10] - This system should integrate monitoring and predictive analysis capabilities, enhancing both the resilience of cultural heritage and its surrounding environment [10][11] - Establishing a comprehensive lifecycle protection system is essential for the longevity and stability of ancient buildings, requiring collaboration across various sectors and the involvement of research institutions and universities [12]