Staff members from Chengyang Ecological Agriculture Co., Ltd unload packs of navel oranges at Baidi Township in Fengjie County, southwest China's Chongqing Municipality, Feb. 13, 2019. The navel orange industry became the pillar industry in Fengjie County, as the annual production capacity reached more than 300 thousand tons in 2018. (Xinhua/Wang Quanchao)