Swans seen in Yellow River wetland in China's Qinghai
Swans are seen in the Yellow River wetland in Guide County, northwest China's Qinghai Province, Dec. 21, 2018. (Xinhua/Wu Gang)
Swans are seen in the Yellow River wetland in Guide County, northwest China's Qinghai Province, Dec. 21, 2018. (Xinhua/Wu Gang)
Swans are seen in the Yellow River wetland in Guide County, northwest China's Qinghai Province, Dec. 21, 2018. (Xinhua/Wu Gang)
Swans are seen in the Yellow River wetland in Guide County, northwest China's Qinghai Province, Dec. 21, 2018. (Xinhua/Wu Gang)
A swan is seen flying above the Yellow River wetland in Guide County, northwest China's Qinghai Province, Dec. 21, 2018. (Xinhua/Wu Gang)
Swans are seen in the Yellow River wetland in Guide County, northwest China's Qinghai Province, Dec. 21, 2018. (Xinhua/Wu Gang)
Swans are seen in the Yellow River wetland in Guide County, northwest China's Qinghai Province, Dec. 21, 2018. (Xinhua/Wu Gang)
A swan is seen flying above the Yellow River wetland in Guide County, northwest China's Qinghai Province, Dec. 21, 2018. (Xinhua/Wu Gang)
Swans are seen in the Yellow River wetland in Guide County, northwest China's Qinghai Province, Dec. 21, 2018. (Xinhua/Wu Gang)
Swans are seen in the Yellow River wetland in Guide County, northwest China's Qinghai Province, Dec. 21, 2018. (Xinhua/Wu Gang)