A villager works at an orchard in Dafang County of Bijie City, southwest China's Guizhou Province, March 20, 2019. With limited plain land for farming in the province, local farmers make full use of the land to develop the agriculture. (Xinhua/Luo Dafu)

Villagers harvest mushrooms at a bamboo forest in Renyou Village of Fuxing Township in Chishui, southwest China's Guizhou Province, May 25, 2019. With limited plain land for farming in the province, local farmers make full use of the land to develop the agriculture. (Xinhua/Wang Changyu)

Aerial photo taken on March 20, 2019 shows an orchard in Dafang County of Bijie City, southwest China's Guizhou Province. With limited plain land for farming in the province, local farmers make full use of the land to develop the agriculture. (Xinhua/Luo Dafu)

Villagers harvest mushrooms at a bamboo forest in Renyou Village of Fuxing Township in Chishui, southwest China's Guizhou Province, May 25, 2019. With limited plain land for farming in the province, local farmers make full use of the land to develop the agriculture. (Xinhua/Wang Changyu)

Villagers harvest mushrooms at a bamboo forest in Renyou Village of Fuxing Township in Chishui, southwest China's Guizhou Province, May 25, 2019. With limited plain land for farming in the province, local farmers make full use of the land to develop the agriculture. (Xinhua/Wang Changyu)