Core Viewpoint - The integration of advanced technologies such as big data, IoT, and 3D scanning is transforming the preservation and management of Xi'an City Wall, enhancing its protection and making it a vibrant cultural landmark for both citizens and tourists [1][3][6] Group 1: Technological Advancements in Preservation - Xi'an City Wall has implemented a comprehensive monitoring system with over 3,000 deformation monitoring points and 1,300 smart sensors, allowing for real-time data feedback on structural integrity [1] - A digital management platform has been created, integrating functions for cultural relic protection, tourism operation, emergency safety, and flood command, effectively unifying independent information into a shared system [3] - Advanced surveying methods, including geological radar and 3D laser scanning, have been employed to conduct a "full-body CT scan" of the wall, identifying over 1,300 air defense holes and 1,800 openings for better internal structure management [3] Group 2: Cultural Heritage and Policy Support - The "14th Five-Year Plan" emphasizes the systematic protection and unified supervision of cultural heritage, promoting the effective preservation and active transmission of historical cultural cities and towns [4] - The shift from experience-based judgment to data-driven approaches in cultural relic protection aligns with national policies advocating for proactive preservation and management of cultural heritage [6] - Xi'an City Wall has been recognized as a national pilot unit for preventive protection of cultural relics, showcasing a commitment to innovative development paths in heritage management [6]

Core Insights - The Xi'an City Wall, measuring 13.74 kilometers, is the largest and best-preserved ancient city wall in China, recognized as a national key cultural relic protection unit [4] - Since 2023, a digital management platform has been established for the Xi'an City Wall, integrating functions such as cultural relic protection, tourism operation, emergency management, and flood command [4] - The platform utilizes advanced technologies like big data, the Internet of Things, and surveying and mapping to create a "smart shield" for the protection of the city wall [4] Group 1 - The Xi'an City Wall serves as a historical witness to the changes in the ancient capital of Xi'an, highlighting its significant protective value [4] - The digital management platform represents a key technological breakthrough, facilitating data integration and sharing for enhanced protection efforts [4] - The comprehensive management approach aims to improve the overall operational efficiency and safety of the cultural site [4]