Tourists feed gulls at Haigeng Dam in Kunming, Yunnan

Tourists feed gulls at the Haigeng Dam in Kunming, southwest China's Yunnan Province, Nov. 1, 2020. (Xinhua/Wang Guansen)

A child feeds a gull at the Haigeng Dam in Kunming, southwest China's Yunnan Province, Nov. 1, 2020. (Xinhua/Wang Guansen)

A visitor feeds a gull at the Haigeng Dam in Kunming, southwest China's Yunnan Province, Nov. 1, 2020. (Xinhua/Wang Guansen)

A gull is seen at the Haigeng Dam in Kunming, southwest China's Yunnan Province, Nov. 1, 2020. (Xinhua/Wang Guansen)

A visitor feeds a gull at the Haigeng Dam in Kunming, southwest China's Yunnan Province, Nov. 1, 2020. (Xinhua/Wang Guansen)

A visitor feeds a gull at the Haigeng Dam in Kunming, southwest China's Yunnan Province, Nov. 1, 2020. (Xinhua/Wang Guansen)