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A farmer harvests morel mushrooms at a greenhouse in Mayangzhai village, Xuan'en county, central China's Hubei Province, March 20, 2018. (Xinhua/Song Wen)
 
 
A farmer harvests morel mushrooms at a greenhouse in Mayangzhai village, Xuan'en county, central China's Hubei Province, March 20, 2018. (Xinhua/Song Wen)