Black-headed gulls rest on the Daguan River in Kunming, capital of southwest China's Yunnan Province, March 13, 2018. The black-headed gulls that spent the winter in Kunming are ready to fly back to north as the weather turns warm recently. (Xinhua/Lin Yiguang)
Black-headed gulls ready to fly back to north as weather turns warm
Source: Xinhua| 2018-03-13 17:01:32|Editor: Yurou