Two brown-headed gulls are seen in the Shaliu River in Gangca County of northwest China's Qinghai Province, July 29, 2020. (Xinhua/Zhang Hongxiang)
Brown-headed gulls seen in Shaliu River in Gangca County of Qinghai
Source: Xinhua| 2020-07-29 21:11:30|Editor: huaxia
