Aerial photo taken on Nov. 17, 2020 shows a general view of the Jinling Zhonghuan construction project in Nanjing, east China's Jiangsu Province. Constructors of the Jinling Zhonghuan construction project have recently adopted a "smart worksite" application system that integrates computing technologies and the Internet of Things to ensure worksite safety, and to enhance managerial efficiency. The system comprises a digital project platform, a face recognition system, a personal location system, and an environmental monitoring system. (Xinhua/Li Bo)
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