Shanghai-Nantong trans-Yangtze river bridge under construction

Photo taken on Dec. 8, 2017 shows the construction site of the Shanghai-Nantong trans-Yangtze river bridge in Nantong, east China's Jiangsu Province. The Shanghai-Nantong combined bridge, which spans over the Yangtze River, is 11 kilometers long and consists of four railway lines and six expressway lanes. The main span of the bridge is 1,092 meters, the world's largest span for a cable-stayed railway-expressway bridge. Construction of the bridge began in 2014, and it is expected to take more than five years to complete. (Xinhua/Xu Congjun)