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People watch gulls on the Dianchi Lake 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)
People watch gulls on the Dianchi Lake 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)