我国已初步建立石窟寺系统性保护体系：数字化技术让千年艺术焕发新生

Core Insights - The National Cultural Heritage Administration of China has reported significant progress in the protection of rock caves, with major risks largely mitigated and a systematic protection framework established nationwide [1] - The digital preservation initiatives in key sites like the Dunhuang Mogao Caves and Shanxi rock caves are revitalizing these ancient cultural heritages, enhancing the overall protection level [1] Group 1: Overview of Rock Caves - China has a total of 2,155 rock caves and 3,831 cliff carvings, amounting to 5,986 sites, which are widely distributed and hold significant historical and cultural value [4] - A systematic and holistic protection framework for rock caves in China is gradually being constructed [4] Group 2: Digital Preservation Efforts - Since 2021, over 150 projects have been implemented, including restoration of murals and sculptures at the Mogao Caves, comprehensive protection of the Maijishan Caves, and digital restoration of damaged sculptures at the Longmen Grottoes [4] - The Shanxi Yungang Research Institute has completed digital information collection for 80% of the 45 main caves and over 59,000 sculptures [7] Group 3: Technological Innovations - Digital technology is opening new avenues for the activation and utilization of cultural heritage, as seen in the Tianlong Mountain Caves, where technologies like naked-eye 3D and virtual reality are used for digital collection [9] - The Dunhuang Research Institute employs environmental monitoring, aerial photography, satellite imagery, and 3D scanning for preventive protection of cultural relics [11] - By December 2024, the Dunhuang Research Institute aims to complete high-precision digital collection for 300 cave entrances, covering an area of 28,100 square meters, with significant progress in panoramic tours and 3D reconstructions [11]