An aerial drone photo taken on July 28, 2025 shows the erection of the last box girder at the construction site of a mega bridge along the Xi'an-Ankang High-Speed Railway in northwest China's Shaanxi Province. All box girder erection tasks for bridges along the Xi'an-Ankang High-Speed Railway have been completed as of Monday, laying a solid foundation for the rest of the construction.The rail line spans 171 kilometers with a designed speed of 350 kilometers per hour. When in operation, it will significantly facilitate travel for residents along the route. (Xinhua/Li Yibo)

An aerial drone photo taken on July 28, 2025 shows the erection of the last box girder at the construction site of a mega bridge along the Xi'an-Ankang High-Speed Railway in northwest China's Shaanxi Province. All box girder erection tasks for bridges along the Xi'an-Ankang High-Speed Railway have been completed as of Monday, laying a solid foundation for the rest of the construction.The rail line spans 171 kilometers with a designed speed of 350 kilometers per hour. When in operation, it will significantly facilitate travel for residents along the route. (Xinhua/Li Yibo)

An aerial drone photo taken on July 28, 2025 shows the erection of the last box girder at the construction site of a mega bridge along the Xi'an-Ankang High-Speed Railway in northwest China's Shaanxi Province. All box girder erection tasks for bridges along the Xi'an-Ankang High-Speed Railway have been completed as of Monday, laying a solid foundation for the rest of the construction.The rail line spans 171 kilometers with a designed speed of 350 kilometers per hour. When in operation, it will significantly facilitate travel for residents along the route. (Xinhua/Li Yibo)

A worker oversees the erection of the last box girder at the construction site of a mega bridge along the Xi'an-Ankang High-Speed Railway in northwest China's Shaanxi Province, July 28, 2025. All box girder erection tasks for bridges along the Xi'an-Ankang High-Speed Railway have been completed as of Monday, laying a solid foundation for the rest of the construction.The rail line spans 171 kilometers with a designed speed of 350 kilometers per hour. When in operation, it will significantly facilitate travel for residents along the route. (Xinhua/Li Yibo)

An aerial drone photo taken on July 28, 2025 shows workers erecting the last box girder at the construction site of a mega bridge along the Xi'an-Ankang High-Speed Railway in northwest China's Shaanxi Province. All box girder erection tasks for bridges along the Xi'an-Ankang High-Speed Railway have been completed as of Monday, laying a solid foundation for the rest of the construction.The rail line spans 171 kilometers with a designed speed of 350 kilometers per hour. When in operation, it will significantly facilitate travel for residents along the route. (Xinhua/Li Yibo)

Workers erect the last box girder at the construction site of a mega bridge along the Xi'an-Ankang High-Speed Railway in northwest China's Shaanxi Province, July 28, 2025. All box girder erection tasks for bridges along the Xi'an-Ankang High-Speed Railway have been completed as of Monday, laying a solid foundation for the rest of the construction.The rail line spans 171 kilometers with a designed speed of 350 kilometers per hour. When in operation, it will significantly facilitate travel for residents along the route. (Xinhua/Li Yibo)

Workers erect the last box girder at the construction site of a mega bridge along the Xi'an-Ankang High-Speed Railway in northwest China's Shaanxi Province, July 28, 2025. All box girder erection tasks for bridges along the Xi'an-Ankang High-Speed Railway have been completed as of Monday, laying a solid foundation for the rest of the construction.The rail line spans 171 kilometers with a designed speed of 350 kilometers per hour. When in operation, it will significantly facilitate travel for residents along the route. (Xinhua/Li Yibo)

An aerial drone photo taken on July 28, 2025 shows the erection of the last box girder at the construction site of a mega bridge along the Xi'an-Ankang High-Speed Railway in northwest China's Shaanxi Province. All box girder erection tasks for bridges along the Xi'an-Ankang High-Speed Railway have been completed as of Monday, laying a solid foundation for the rest of the construction.The rail line spans 171 kilometers with a designed speed of 350 kilometers per hour. When in operation, it will significantly facilitate travel for residents along the route. (Xinhua/Li Yibo)

Workers erect the last box girder at the construction site of a mega bridge along the Xi'an-Ankang High-Speed Railway in northwest China's Shaanxi Province, July 28, 2025. All box girder erection tasks for bridges along the Xi'an-Ankang High-Speed Railway have been completed as of Monday, laying a solid foundation for the rest of the construction.The rail line spans 171 kilometers with a designed speed of 350 kilometers per hour. When in operation, it will significantly facilitate travel for residents along the route. (Xinhua/Li Yibo)

An aerial drone photo taken on July 28, 2025 shows the erection of the last box girder at the construction site of a mega bridge along the Xi'an-Ankang High-Speed Railway in northwest China's Shaanxi Province. All box girder erection tasks for bridges along the Xi'an-Ankang High-Speed Railway have been completed as of Monday, laying a solid foundation for the rest of the construction.The rail line spans 171 kilometers with a designed speed of 350 kilometers per hour. When in operation, it will significantly facilitate travel for residents along the route. (Xinhua/Li Yibo)