Highlights of 12th China-Northeast Asia Expo

A visitor experiences a 5G synchronous-control-system-supported robot at the 12th China-Northeast Asia Expo in Changchun, northeast China's Jilin Province, Aug. 23, 2019. The five-day expo themed on "enhancing mutual trust and cooperation to create beautiful prospects for Northeast Asia" opened Friday in the city of Changchun. (Xinhua/Lin Hong)