Ecological environment, water quality improved in Siping City, Jilin

Aerial photo taken on Aug. 4, 2020 shows an outfall of a wastewater treatment plant in Siping City, northeast China's Jilin Province. Located at the upper reaches of the Liaohe River, Siping has launched a series of projects to improve the ecological environment and water quality in the river's basin. (Xinhua/Zhang Nan)