A farmer selects harvested apples in Gangdi Village of Neiqiu County, north China's Hebei Province, Oct. 24, 2019. As the harvest season comes, farmers in Gangdi are busy harvesting apples on their orchards, which covers an area of 3,500 mu (about 233 hectares). In recent years, the apple industry has become a pillar industry in Gangdi. (Xinhua/Zhu Xudong)