Black-headed gulls fly over the Yange Lake in Yinchuan, capital of northwest China's Ningxia Hui Autonomous Region, March 21, 2019. (Xinhua/Feng Kaihua)
Black-headed gulls seen in Yinchuan, NW China's Ningxia
Source: Xinhua| 2019-03-21 21:43:37|Editor: Li Xia
