Group 1: Subway Construction and Operations - Wang Yandong, a shield driver, has been working in subway construction since 2015, operating in various cities across China, including Beijing, where he is currently involved in the construction of Line 22 [3][4] - The construction of the Beijing Subway Line 22 spans approximately 81.82 kilometers and connects key areas such as the CBD core, urban sub-center, and neighboring regions, enhancing connectivity and urban development [4] - The shield tunneling operation is continuous, requiring drivers to monitor various parameters and coordinate with over sixty personnel on the surface [3][4] Group 2: Xiong'an New Area and High-Speed Rail - The Xiong'an Intercity Station is under construction in the Xiong'an New Area, designed as a fully underground station with a total building area of 173,000 square meters [7][8] - The station will feature four platforms and six tracks, integrating with the urban development of Xiong'an and serving as a key transportation hub for travelers [7][8] - Advanced construction technologies, including drones and automated systems, are being utilized to ensure quality and efficiency in the project [8] Group 3: River Management and Ecological Restoration - The Yongding River improvement project aims to enhance flood control capabilities and restore ecological balance along a 73-kilometer stretch, addressing damages caused by flooding [11][12] - The project includes the reconstruction of damaged water facilities and the implementation of protective measures for nearby villages, contributing to the overall health of the river ecosystem [11][12] - The successful restoration of the Yongding River has led to increased tourism and local economic development, showcasing the benefits of ecological management [12] Group 4: Forest Conservation Efforts - The Zhangjiakou Xuanhua Forest Farm, managed by Yang Fugui, covers 118,000 acres with a 97% vegetation coverage rate, demonstrating significant reforestation efforts over 24 years [15][16] - Advanced monitoring technologies, including drones and surveillance cameras, have been implemented to enhance forest protection and fire prevention measures [17] - Yang Fugui emphasizes the importance of hands-on management and regular inspections to ensure the health and growth of the forest [17]