Workers conduct rail grinding work in Wuhu City, east China's Anhui Province, Jan. 27, 2021. Workers of China Railway Shanghai Bureau Group Co., Ltd. conduct rail grinding work early Wednesday morning to guarantee the safety of high-speed railway operations. (Xinhua/Han Xu)
Workers conduct rail grinding work in Wuhu, Anhui
Source: Xinhua| 2021-01-27 19:08:01|Editor: huaxia