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People watch gulls at 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/Hu Chao)
People watch gulls at 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/Hu Chao)