Kids play a remote-controlled robot at Shanghai Popular Science Products Expo in Shanghai, east China, Aug. 25, 2017. The expo opened on Friday and will last till Aug. 28 in Shanghai, with nearly 3500 exhibits on display. (Xinhua/Fang Zhe)
Shanghai Popular Science Products Expo opens
Source: Xinhua| 2017-08-25 21:55:48|Editor: An
KEY WORDS: Science Products
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