White swans are seen at a wetland in Sanmenxia, central China's Henan Province, Jan. 31, 2018. Thousands of migratory white swans spend winter here at the wetland. (Xinhua/Zhu Xiang)
White swans seen at wetland in Sanmenxia, C China's Henan
Source: Xinhua| 2018-01-31 19:05:04|Editor: Shi Yinglun