A college student volunteer operates an AR mechanical arm 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)
Highlights of 12th China-Northeast Asia Expo
Source: Xinhua| 2019-08-24 07:45:10|Editor: ZD
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