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A visitor feeds a gull at the Haigeng Dam in Kunming, southwest China's Yunnan Province, Dec. 18, 2019. Lots of gulls migrate to Kunming for the warm weather there in the winter. (Xinhua/Lin Yiguang)
A visitor feeds a gull at the Haigeng Dam in Kunming, southwest China's Yunnan Province, Dec. 18, 2019. Lots of gulls migrate to Kunming for the warm weather there in the winter. (Xinhua/Lin Yiguang)