White cranes fly over the Melmeg Wetland in northeast China's Jilin Province, April 26, 2018. Comprehensive progress has been made since the report delivered at the 18th National Congress of the Communist Party of China (CPC) in 2012 included ecological development as a major task in the country's overall plan and proposed building a "beautiful China" as a grand goal. (Xinhua/Wang Haofei)