The Tanghe River Bridge of the Zhengwan High-speed Railway is under construction in Xiangzhou District of Xiangyang City, central China's Hubei Province, Nov. 26, 2018. The 818-kilometer Zhengwan railway, with the designed highest speed of 350 kilometers per hour, links Zhengzhou, capital of central China's Henan Province, and Wanzhou District of southwest China's Chongqing Municipality. (Xinhua/Yang Dong)