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People visit exhibition room of Jiangbei District of Chongqing where a part of the Smart China Expo is held, in Chongqing, southwest China, Aug. 25, 2019. The Smart China Expo (SCE) is held from Aug. 26 to Aug. 29 in Chongqing International Expo Center. With the theme of "Smart Technology: Empowering Economy, Enriching Life", SCE 2019 will focus on a series of events including conferences, exhibitions, contests and forums. (Xinhua/Wang Quanchao)
