Photo taken on April 20, 2020 shows the site of track ballast cleaning work in central China's Henan Province. The track maintenance division of the China Railway Zhengzhou Group Co., Ltd. has organized a group of workers to conduct a four-month-long maintenance on railroad tracks. (Xinhua/Hao Yuan)
4-month-long maintenance on railroad tracks conducted in Henan
Source: Xinhua| 2020-04-22 07:27:35|Editor: huaxia