Staff members work at an edible fungus processing company in Wuwei, northwest China's Gansu Province, Nov. 17, 2020. Wuwei City has made great efforts to develop edible fungus industry in recent years, helping the locals increase income. (Xinhua/Du Zheyu)

Staff members work at an edible fungus processing company in Wuwei, northwest China's Gansu Province, Nov. 17, 2020. Wuwei City has made great efforts to develop edible fungus industry in recent years, helping the locals increase income. (Xinhua/Du Zheyu)

Staff members work at an edible fungus processing company in Wuwei, northwest China's Gansu Province, Nov. 17, 2020. Wuwei City has made great efforts to develop edible fungus industry in recent years, helping the locals increase income. (Xinhua/Du Zheyu)

Photo taken on Nov. 17, 2020 shows an edible fungus cultivation room at an edible fungus processing company in Wuwei, northwest China's Gansu Province. Wuwei City has made great efforts to develop edible fungus industry in recent years, helping the locals increase income. (Xinhua/Du Zheyu)