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      Smart cleaning robot seen on street in Hohhot, China's Inner Mongolia

      Source: Xinhua| 2019-11-20 22:28:24|Editor: Xiang Bo
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      CHINA-INNER MONGOLIA-HOHHOT-CLEANING ROBOT (CN)

      A smart cleaning robot is at work in Hohhot, capital of north China's Inner Mongolia Autonomous Region, Nov. 20, 2019. The device is able to circumvent any obstacle it encounters along computerized cleaning routes. (Xinhua/Liu Lei)

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