Staff members maintain the rails of Tianjin-Bazhou railway in north China's Tianjin, June 9, 2020. (Photo by Feng Kai/Xinhua)
Staff members maintain rails of Tianjin-Bazhou railway in Tianjin
Source: Xinhua| 2020-06-09 22:14:26|Editor: huaxia
Staff members maintain the rails of Tianjin-Bazhou railway in north China's Tianjin, June 9, 2020. (Photo by Feng Kai/Xinhua)
