Villager Zhu Yijun walks in the wood-ear field at Huanglianhe Village of Tuji Town in Luochuan County, northwest China's Shaanxi Province, on Oct. 15, 2018. Relying on its rich forest resources, Luochuan village in recent years made efforts to develop under-forest industries of edible mushroom, greenhouse vegetables and others as a way to help residents out of poverty and increase income. (Xinhua/Shao Rui)

Technician Li Ziying drives geese at the under-forest eco-industrial park at Huanglianhe Village of Tuji Town in Luochuan County, northwest China's Shaanxi Province, on Oct. 15, 2018. Relying on its rich forest resources, Luochuan village in recent years made efforts to develop under-forest industries of edible mushroom, greenhouse vegetables and others as a way to help residents out of poverty and increase income. (Xinhua/Wang Huajuan)

Villagers pick mushrooms in a greenhouse at the under-forest eco-industrial park at Huanglianhe Village of Tuji Town in Luochuan County, northwest China's Shaanxi Province, on Oct. 15, 2018. Relying on its rich forest resources, Luochuan village in recent years made efforts to develop under-forest industries of edible mushroom, greenhouse vegetables and others as a way to help residents out of poverty and increase income. (Xinhua/Shao Rui)