Workers install the power supply, communication, information and signaling systems on a section of the Qingdao-Rongcheng intercity railway in Laixi City, east China's Shandong Province, July 31, 2020. (Xinhua/Guo Xulei)
Workers work on Qingdao-Rongcheng intercity railway in Laixi, Shandong
Source: Xinhua| 2020-08-01 16:55:37|Editor: huaxia