Whooper swans stand on a frozen river in Ruoergai County, Tibetan Qiang Autonomous Prefecture of Ngawa, Sichuan Province, Jan. 26, 2021. (Photo/An Yuan) |
Whooper swans stand on a frozen river in Ruoergai County, Tibetan Qiang Autonomous Prefecture of Ngawa, Sichuan Province, Jan. 26, 2021. (Photo/An Yuan) |