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Fish are seen at an aquaculture workshop equipped with intelligent circulating system at an ecological agriculture company in Balidian Town of Huzhou City, east China's Zhejiang Province, April 13, 2019. (Xinhua/Huang Zongzhi)
Fish are seen at an aquaculture workshop equipped with intelligent circulating system at an ecological agriculture company in Balidian Town of Huzhou City, east China's Zhejiang Province, April 13, 2019. (Xinhua/Huang Zongzhi)