Main tower of world's largest road-rail cable-stayed bridge built

Aerial photo taken on June 27, 2019 shows the construction site of the south main tower of a Yangtze River bridge on the Shanghai-Nantong railway line in Nantong, east China's Jiangsu Province. The south main tower of the bridge was completed on Thursday, marking an important progress of the construction of the cable-stayed railway-expressway bridge. (Xinhua/Xu Congjun)