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
Photo taken on Jan. 13, 2019 shows red-billed gulls at Cuihu Park in Kunming, capital of southwest China's Yunnan Province. (Xinhua/Yang Zongyou)
Photo taken on Jan. 13, 2019 shows red-billed gulls at Cuihu Park in Kunming, capital of southwest China's Yunnan Province. (Xinhua/Yang Zongyou)