This photo taken on Sept. 20, 2026 shows the inside of a water-saving photovoltaic greenhouse in Hongsibu District of Wuzhong, northwest China's Ningxia Hui Autonomous Region. Based on local agricultural conditions, farmers in Hongsibu District have built photovoltaic greenhouses, integrating photovoltaic power generation, intelligent temperature control, and precision water-saving technologies. (Xinhua/Liu Yun)