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2019 Smart China Expo opens to public for free

Source: Xinhua| 2019-08-28 07:16:46|Editor: ZD
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CHINA-CHONGQING-SMART CHINA EXPO (CN)

A visitor experiences intelligent dress changing technique during the 2019 Smart China Expo in southwest China's Chongqing Municipality, Aug. 27, 2019. The 2019 Smart China Expo was open to public for free on Tuesday. (Xinhua/Wang Quanchao)

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