Birds are seen at the Yongjing three-gorges area of the Yellow River in Yongjing County, northwest China's Gansu Province, Jan. 9, 2020. (Xinhua/Guo Gang)
In pics: birds rest at Yongjing three-gorges area of Yellow River
Source: Xinhua| 2020-01-09 22:05:26|Editor: huaxia
