
Farmers plant Chinese pines in Luanping County, Chengde city, north China's Province, July 24, 2015. Chengde has planted about 35,000 mu (2,300 hectares) of trees during recent rainy season.(Xinhua/Liu Huanyu)

Farmers plant Chinese pines in Luanping County, Chengde city, north China's Province, July 24, 2015. Chengde has planted about 35,000 mu (2,300 hectares) of trees during recent rainy season.(Xinhua/Liu Huanyu)