Aerial photo taken on Aug. 19, 2021 shows the Yinchuan International Convention and Exhibition Center, venue of the fifth China-Arab States Expo, in Yinchuan, northwest China's Ningxia Hui Autonomous Region. The fifth China-Arab States Expo opened Thursday in Yinchuan. The four-day event will feature trade fairs and forums on digital economy, clean energy, water resource, modern agriculture, green food, cross-border e-commerce and tourism cooperation. (Xinhua/Wang Peng)
