KUNMING, June 4, 2016 (Xinhua) -- Photo taken on June 4, 2016 shows the Dianchi Lake and nearby buildings in Kunming, southwest China's Yunnan Province. The water quality in the Dianchi Lake has been improved as a series of pollution control works, including construction of sewage treatment facilities and wetlands along the lake, were carried out. This year, a total of 88 water environment treatment projects for Dianchi Lake will be started. (Xinhua/Lin Yiguang)