Farmers catch crayfish at a breeding base in the rice field of Xidou Lake in Xinglong Township of Xuyi County, east China's Jiangsu Province, May 22, 2016. Xuyi County, well-known for its crayfish breeding, has 210,000 mu (14,000 hectares) of breeding acreage and its annual production value has exceeded 10 billion yuan (1.53 billion US dollars). [Photo: Xinhua]
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