On August 30, 2021, Chengbei Park in Huaying City, Sichuan Province, looks bright and peaceful.

Sichuan Huaying City is completely eliminating small coal kilns, cement factories, paper factories and other natural resource-based industries with high pollution and energy consumption. Meanwhile, it is constantly strengthening ecological civilization construction and vigorously implementing ecological restoration and comprehensive environmental management.The city will be built into an ecological leisure square with trees, birds' twitter and fragrance of flowers, and a place for Internet celebrities to keep optimizing the urban living environment.(By Qiu Haiying)