People fly a kite at a wetland park along the Dianchi Lake in Kunming, southwest China's Yunnan Province, June 4, 2016. 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

source : xinhua