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

Aerial 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/Feng Kaihua)