Birds are pictured at Baiyangdian Lake in Xiong'an New Area, north China's Hebei Province, July 19, 2023. The Baiyangdian Lake, the largest wetland ecosystem in northern China, is located in Xiong'an. After the establishment of the new area, the water quality in Baiyangdian has improved from below Level V, the lowest of China's five-tier water assessment system, to Level III. The area of Baiyangdian has been restored from about 170 square kilometers to about 290 square kilometers, and the water level in the lake area has remained stable at about 7.2 meters.
Source: en.gmw.cn
