A large bridge girder erection machine operates at the construction site of the Zhangjiagang section of the Nantong-Suzhou-Jiaxing-Ningbo High-Speed Railway in East China's Jiangsu Province on September 28, 2026. The high-speed railway is an important part of the national coastal high-speed railway corridor, with a main line length of about 301 kilometers and a designed speed of 350 kilometers per hour. Photo: VCG