
Tourists feed black-headed gulls at the Dianchi Lake in Kunming, capital of southwest China's Yunnan Province, Jan. 8, 2017. Many people on Sunday went to the Dianchi Lake to view black-headed gulls and enjoy sunshine. (Xinhua/Chen Haining)

Tourists feed black-headed gulls at the Dianchi Lake in Kunming, capital of southwest China's Yunnan Province, Jan. 8, 2017. Many people on Sunday went to the Dianchi Lake to view black-headed gulls and enjoy sunshine. (Xinhua/Chen Haining)