The Ankang hydroelectric station reservoir, June 7, 2017. Shaanxi province has carried out a series of measures aimed at improving water quality in the Hanjiang River area. As a key water source in the South to North Water Diversion project, Ankang city has made water quality protection its top priority. Specific measures include reinforcing surveillance of water sources and shutting down polluting plants. Ecological conditions are now significantly better, and it is a scenic spot enjoyed by residents. (Photo/Xinhua)

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