As the host city of COP15, southwest China's Kunming City is making progress in protecting its environment and biodiversity. The Dianchi Lake, the biggest freshwater lake in Yunnan province and the sixth-largest in the country inside the Haihong Wetland Park, is one of the symbolic wetlands adding even more color to this city with its "flaming" trees and blue lakes. Join CGTN to enjoy the charming view of Haihong Wetland Park, the home to a large number of Metasequoias and the frequent hangout destination for thousands of migrating Siberian seagulls.