4th China-Arab States Expo to be held in Yinchuan, China's Ningxia

Photo taken on Sept. 4, 2019 shows the outside view of Ningxia International Hall, the site of the fourth China-Arab States Expo, in Yinchuan, capital city of northwest China's Ningxia Hui Autonomous Region. The expo will be held from Sept. 5 to 8. (Xinhua/Li Mangmang)