Constructors work at the construction site of a highspeed railway bridge over Tangxi River in Yunyang Township in southwest China's Chongqing, Nov. 8, 2020. The 472.7-meter-long bridge, which finished its final stage for closure on Nov. 8, is part of the 818-kilometer-long highspeed railway linking Zhengzhou, provincial capital of Henan, with Wanzhou District of Chongqing. (Xinhua/Tang Yi)