The fifth China-Arab States (CAS) Expo kicks off in Yinchuan, capital of the Ningxia Hui Autonomous Region in northwestern China, from August 19 to 22. The four-day event features trade fairs and forums on digital economy, clean energy, water resources, modern agriculture, green food, cross-border e-commerce and tourism cooperation. More than 1,000 domestic and overseas enterprises have registered as exhibitors for offline and virtual events at the expo. Follow CGTN reporter Dai Kaiyi to learn more.