![Tourists view black-headed gulls at Haigeng dam in Kunming, capital of southwest China\'s Yunnan Province, Jan. 1, 2019. Migratory black-headed gulls became an attraction for tourists during the New Year holiday. (Xinhua/Hu Chao)](http://www.ecns.cn/hd/2019/01/02/fc300f3747ff457e9f4bc4fb5661836e.jpg)
Tourists view black-headed gulls at Haigeng dam in Kunming, capital of southwest China's Yunnan Province, Jan. 1, 2019. Migratory black-headed gulls became an attraction for tourists during the New Year holiday. (Xinhua/Hu Chao)
![Tourists view black-headed gulls at Haigeng dam in Kunming, capital of southwest China\'s Yunnan Province, Jan. 1, 2019. Migratory black-headed gulls became an attraction for tourists during the New Year holiday. (Xinhua/Hu Chao)](http://www.ecns.cn/hd/2019/01/02/5ec148261ee54599b81f638b0e2bad7e.jpg)
Tourists view black-headed gulls at Haigeng dam in Kunming, capital of southwest China's Yunnan Province, Jan. 1, 2019. Migratory black-headed gulls became an attraction for tourists during the New Year holiday. (Xinhua/Hu Chao)
![Tourists view black-headed gulls at Haigeng dam in Kunming, capital of southwest China\'s Yunnan Province, Jan. 1, 2019. Migratory black-headed gulls became an attraction for tourists during the New Year holiday. (Xinhua/Hu Chao)](http://www.ecns.cn/hd/2019/01/02/2e2e5a24fba2406fb5cfa5db9e01b96a.jpg)
Tourists view black-headed gulls at Haigeng dam in Kunming, capital of southwest China's Yunnan Province, Jan. 1, 2019. Migratory black-headed gulls became an attraction for tourists during the New Year holiday. (Xinhua/Hu Chao)
![Tourists view black-headed gulls at Daguan park in Kunming, capital of southwest China\'s Yunnan Province, Jan. 1, 2019. Migratory black-headed gulls became an attraction for tourists during the New Year holiday. (Xinhua/Lin Yiguang)](http://www.ecns.cn/hd/2019/01/02/3748ebdf9d094c39a97fc2381031ce92.jpg)
Tourists view black-headed gulls at Daguan park in Kunming, capital of southwest China's Yunnan Province, Jan. 1, 2019. Migratory black-headed gulls became an attraction for tourists during the New Year holiday. (Xinhua/Lin Yiguang)
![Tourists view black-headed gulls at Haigeng dam in Kunming, capital of southwest China\'s Yunnan Province, Jan. 1, 2019. Migratory black-headed gulls became an attraction for tourists during the New Year holiday. (Xinhua/Hu Chao)](http://www.ecns.cn/hd/2019/01/02/b44827d5b4134745bba0838915e2205b.jpg)
Tourists view black-headed gulls at Haigeng dam in Kunming, capital of southwest China's Yunnan Province, Jan. 1, 2019. Migratory black-headed gulls became an attraction for tourists during the New Year holiday. (Xinhua/Hu Chao)
![Tourists view black-headed gulls at Daguan park in Kunming, capital of southwest China\'s Yunnan Province, Jan. 1, 2019. Migratory black-headed gulls became an attraction for tourists during the New Year holiday. (Xinhua/Lin Yiguang)](http://www.ecns.cn/hd/2019/01/02/a0a67b95c4814bcd9513859177cd8f92.jpg)
Tourists view black-headed gulls at Daguan park in Kunming, capital of southwest China's Yunnan Province, Jan. 1, 2019. Migratory black-headed gulls became an attraction for tourists during the New Year holiday. (Xinhua/Lin Yiguang)
![Tourists view black-headed gulls at Daguan park in Kunming, capital of southwest China\'s Yunnan Province, Jan. 1, 2019. Migratory black-headed gulls became an attraction for tourists during the New Year holiday. (Xinhua/Lin Yiguang)](http://www.ecns.cn/hd/2019/01/02/4c8f216215ec440c9bf31998d1e050c2.jpg)
Tourists view black-headed gulls at Daguan park in Kunming, capital of southwest China's Yunnan Province, Jan. 1, 2019. Migratory black-headed gulls became an attraction for tourists during the New Year holiday. (Xinhua/Lin Yiguang)
![Tourists view black-headed gulls at Daguan park in Kunming, capital of southwest China\'s Yunnan Province, Jan. 1, 2019. Migratory black-headed gulls became an attraction for tourists during the New Year holiday. (Xinhua/Lin Yiguang)](http://www.ecns.cn/hd/2019/01/02/7a5a64ed8e89472888d3cba2181cf7ee.jpg)
Tourists view black-headed gulls at Daguan park in Kunming, capital of southwest China's Yunnan Province, Jan. 1, 2019. Migratory black-headed gulls became an attraction for tourists during the New Year holiday. (Xinhua/Lin Yiguang)
![Tourists view black-headed gulls at Dianchi lake in Kunming, capital of southwest China\'s Yunnan Province, Jan. 1, 2019. Migratory black-headed gulls became an attraction for tourists during the New Year holiday. (Xinhua/Hu Chao)](http://www.ecns.cn/hd/2019/01/02/efff7391cab74070a06b985daa14498e.jpg)
Tourists view black-headed gulls at Dianchi lake in Kunming, capital of southwest China's Yunnan Province, Jan. 1, 2019. Migratory black-headed gulls became an attraction for tourists during the New Year holiday. (Xinhua/Hu Chao)