A worker harvests vegetables in a field in Matuo Village of Yunyang County in southwest China's Chongqing, Feb. 5, 2020. Since the outbreak of the novel coronavirus pneumonia, Yunyang County has actively guided vegetable production bases and farmers to harvest vegetables and increase market supply through online and offline channels. The county also strengthened the daily supervision of the market to keep vegetable prices stable. (Xinhua/Wang Quanchao)