Zhengzhou-Wanzhou high-speed railway to be put into operation in 2022

Workers work at the construction site of a swivel bridge of Zhengzhou-Wanzhou high-speed railway in central China's Henan Province, Nov. 16, 2015. The 818-km railway, which links Zhengzhou in central China's Henan Province and Wanzhou in southwest China's Chongqing Municipality, will be put into operation in 2022. (Xinhua/Zhu Xiang)