Staff members take water samples in a rural sewage treatment station at Wusi Village in Deqing County, east China's Zhejiang Province, June 27, 2018. Since 2003, Zhejiang has implemented a project to overhaul the living environment in villages. At the end of last year, 97 percent of villages in the province had completed such overhauls. (Xinhua/Weng Xingyang)