Opening ceremony of first Smart China Expo held in China's Chongqing
Source: Xinhua| 2018-08-24 08:05:58|Editor: mmm
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Mongolian Deputy Prime Minister Ulziisaikhan Enkhtuvshin speaks at the opening ceremony of the first Smart China Expo in southwest China's Chongqing Municipality, Aug. 23, 2018. (Xinhua/Wang Quanchao)
