Bai Chunyin, a member of Xinda Afforestation Cooperative, plants a Chinese pine, Zhijiao village, Daning county, Shanxi province, May 10. So far, 37 afforestation cooperatives have been set up, of which 80 percent are staffed by people from impoverished households in the county. To increase the incomes of struggling families and improve the local environment, Daning county has been contracting afforestation cooperatives to plant trees since 2016. [Photo/Xinhua]