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Photo taken on Oct. 13, 2017 shows egrets look for food beside a herd of cattle by the Longquan Lake in Xuyi County of Huai'an City, east China's Jiangsu Province. (Xinhua/Zhou Haijun)
Photo taken on Oct. 13, 2017 shows egrets look for food beside a herd of cattle by the Longquan Lake in Xuyi County of Huai'an City, east China's Jiangsu Province. (Xinhua/Zhou Haijun)