A drone photo shows a 500-ton cable hoisting system of the Taohe Bridge in northwest China's Gansu Province, May 10, 2025. With the successful trial hoisting of a 500-ton cable hoisting system, the construction of the main body of the 562.16-meter-long Taohe Bridge, a key project along the Lanzhou-Yongjing-Linxia expressway, started on Saturday. (Xinhua/Chen Bin)

　　Staff members work on trial hoisting of a 500-ton cable hoisting system of the Taohe Bridge in northwest China's Gansu Province, May 10, 2025. With the successful trial hoisting of a 500-ton cable hoisting system, the construction of the main body of the 562.16-meter-long Taohe Bridge, a key project along the Lanzhou-Yongjing-Linxia expressway, started on Saturday. (Xinhua/Chen Bin)

　　A drone photo shows a 500-ton cable hoisting system of the Taohe Bridge in northwest China's Gansu Province, May 10, 2025. With the successful trial hoisting of a 500-ton cable hoisting system, the construction of the main body of the 562.16-meter-long Taohe Bridge, a key project along the Lanzhou-Yongjing-Linxia expressway, started on Saturday. (Xinhua/Chen Bin)

　　A drone photo shows a 500-ton cable hoisting system of the Taohe Bridge in northwest China's Gansu Province, May 10, 2025. With the successful trial hoisting of a 500-ton cable hoisting system, the construction of the main body of the 562.16-meter-long Taohe Bridge, a key project along the Lanzhou-Yongjing-Linxia expressway, started on Saturday. (Xinhua/Chen Bin)

　　Staff members work on trial hoisting of a 500-ton cable hoisting system of the Taohe Bridge in northwest China's Gansu Province, May 10, 2025. With the successful trial hoisting of a 500-ton cable hoisting system, the construction of the main body of the 562.16-meter-long Taohe Bridge, a key project along the Lanzhou-Yongjing-Linxia expressway, started on Saturday. (Xinhua/Chen Bin)

　　A staff member works on trial hoisting of a 500-ton cable hoisting system of the Taohe Bridge in northwest China's Gansu Province, May 10, 2025. With the successful trial hoisting of a 500-ton cable hoisting system, the construction of the main body of the 562.16-meter-long Taohe Bridge, a key project along the Lanzhou-Yongjing-Linxia expressway, started on Saturday. (Xinhua/Chen Bin)

　　Staff members work at the construction site of the Taohe Bridge in northwest China's Gansu Province, May 10, 2025. With the successful trial hoisting of a 500-ton cable hoisting system, the construction of the main body of the 562.16-meter-long Taohe Bridge, a key project along the Lanzhou-Yongjing-Linxia expressway, started on Saturday. (Xinhua/Chen Bin)

　　A staff member works on trial hoisting of a 500-ton cable hoisting system of the Taohe Bridge in northwest China's Gansu Province, May 10, 2025. With the successful trial hoisting of a 500-ton cable hoisting system, the construction of the main body of the 562.16-meter-long Taohe Bridge, a key project along the Lanzhou-Yongjing-Linxia expressway, started on Saturday. (Xinhua/Chen Bin)