Photo taken on June 4, 2016 shows the Yongchang wetland park near the Dianchi Lake in Kunming, Southwest China's Yunnan province. The water quality in Dianchi Lake has 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 environmental treatment projects for Dianchi Lake will begin.[Photo/Xinhua] |