Staff workers dust photovoltaic panels after windy weather at a photovoltaic power station in Yinchuan, northwest China s Ningxia Hui Autonomous Region, March 25, 2023.
This aerial photo taken on Feb. 28, 2023 shows an exterior view of the Xumishan Grottoes, initially built in the late period of the Northern Wei Dynasty (386-534), in Guyuan, northwest China s Ningxia Hui Autonomous Region.