A farmer harvests vegetable in Pengbao Township of Guyuan City, northwest China's Ningxia Hui Autonomous Region, July 16, 2019. (Photo: Xinhua)
A farmer harvests vegetable in Pengbao Township of Guyuan City, northwest China's Ningxia Hui Autonomous Region, July 16, 2019. (Photo: Xinhua)
Farmers harvest vegetable in Pengbao Township of Guyuan City, northwest China's Ningxia Hui Autonomous Region, July 16, 2019. (Photo: Xinhua)