Aerial photo taken on Sept. 6, 2018 shows a pump station in Zhongning County, northwest China's Ningxia Hui Autonomous Region. In 2004, a project diverting water from the Yellow River eased Hanjiaoshui's water shortage. Many migrant workers returned hometown. Under the guidance of local government, they planted watermelon and developed cultivation industry. In March of 2017, Ningxia started the construction of another water project to improve water supplies in Hanjiaoshui. (Xinhua/Guo Xulei)