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22nd China Beijing Int'l High-Tech Expo kicks off
Sci-Tech
The 22nd China Beijing International High-Tech Expo opened in Beijing, capital of China, on Oct. 24, 2019.
Xinhua丨Updated: October 25, 2019
Visitors listen to introduction of a domestic water saving system during the 22nd China Beijing International High-Tech Expo in Beijing, capital of China, Oct. 24, 2019. [Photo/Xinhua]
