Farmers work in an edible fungi planting field at Chengnan Street of Xingren City, southwest China's Guizhou Province, Feb. 22, 2020. (Photos: Xinhua)

Farmers work in an edible fungi planting field at Chengnan Street of Xingren City, southwest China's Guizhou Province, Feb. 22, 2020.

Farmers work in a field at Chengnan Street of Xingren City, southwest China's Guizhou Province, Feb. 22, 2020.

Aerial photo taken on Feb. 22, 2020 shows farmers working in an edible fungi planting field at Chengnan Street of Xingren City, southwest China's Guizhou Province.

Farmers work in an edible fungi planting field at Chengnan Street of Xingren City, southwest China's Guizhou Province, Feb. 22, 2020.