Workers maintain water supply facilities along railway in Guiyang, SW China

A worker checks water quality in Guiyang, southwest China's Guizhou Province, Feb. 26, 2020. Amid the coronavirus outbreak, workers of Guiyang section of China Railway Chengdu Group Co., Ltd. have worked overtime to complete maintenance of the water supply facilities along the railway and guarantee passengers' water safety. (Xinhua/Yang Wenbin)