Chongqing-Guiyang railway under trial run

Staff members of China Southern Power Grid check transmission line of railway near Tongzi North Railway Station in Zunyi, southwest China's Guizhou Province, Jan. 11, 2018. A railway connecting two major cities in southwest China, Chongqing and Guiyang is under trial run. Designed for passenger trains running at a speed of 200 kilometers per hour, the railway will improve traffic between China's southwest and northwestern, eastern, southern areas. (Xinhua/Liu Xu)