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Migrant birds are seen at Duchang wetland of Poyang Lake, east China's Jiangxi Province, Nov. 14, 2018. The Poyang Lake, China's largest freshwater lake, saw a flock of migratory birds overwintering in it. (Xinhua/Fu Jianbin)
Migrant birds are seen at Duchang wetland of Poyang Lake, east China's Jiangxi Province, Nov. 14, 2018. The Poyang Lake, China's largest freshwater lake, saw a flock of migratory birds overwintering in it. (Xinhua/Fu Jianbin)