A staff member demonstrates an exhibit at the 23rd China Beijing International High-tech Expo in Beijing, capital of China, Sept. 17, 2020. The high-tech expo kicked off in Beijing on Thursday, showcasing the latest technological achievements. (Xinhua/Ju Huanzong)
23rd China Beijing International High-tech Expo kicks off
Source: Xinhua| 2020-09-17 21:40:56|Editor: huaxia