Morel mushrooms are seen at a greenhouse in Mayangzhai village, Xuan'en county, central China's Hubei Province, March 20, 2018. (Xinhua/Song Wen)
Farmers carry the harvested morel mushrooms in Mayangzhai village, Xuan'en county, central China's Hubei Province, March 20, 2018. (Xinhua/Song Wen)
Farmers harvest morel mushrooms at a greenhouse in Mayangzhai village, Xuan'en county, central China's Hubei Province, March 23, 2018. (Xinhua/Song Wen)
Farmers harvest morel mushrooms at a greenhouse in Mayangzhai village, Xuan'en county, central China's Hubei Province, March 23, 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)