Group 1 - The Ministry of Natural Resources and the National Bureau of Statistics jointly released a list of 60 typical cases for the application of real-world 3D data to empower high-quality development by 2025 [1] - Three cases from Jiangsu, including "Real-world 3D Assisting Nanjing Low-altitude Economic Industry Construction," were selected in this batch of typical cases [1][2] - The selected cases cover six application scenarios, including supporting natural resource management, empowering government decision-making, aiding digital economic development, serving citizens' quality of life, supporting digital cultural construction, and underpinning digital ecological civilization [1] Group 2 - The case "Intelligent Control of Inland River Locks Based on Real-world 3D" was submitted by multiple local agencies in Taizhou, while "Real-world 3D Assisting Nanjing Low-altitude Economic Industry Construction" was submitted by various organizations in Nanjing [2] - The case "Real-world 3D Empowering the Protection and Utilization of Yixing Shanjuan Cave Scenic Area and Digital Cultural Tourism Construction" was submitted by the Jiangsu Provincial Surveying and Mapping Engineering Institute and local resource planning agencies [2] - The real-world 3D data resources in China have reached a significant scale, with terrain-level real-world 3D covering all land territory and orthophoto imagery covering 22 versions nationwide [3] Group 3 - Urban-level real-world 3D data covers over 300 cities at the prefecture level and above across the country [3] - A comprehensive application service system has been established, encompassing 22 major categories and over 100 application scenarios, including disaster prevention, smart security, historical and cultural protection, land spatial planning, arable land protection, ecological protection, and online tourism [3]