【今期通天报正版图今_今期开奖结果公式】Adolescent robotics competition held in Xingtai, China's Hebei

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A competitor demonstrates her robot during the competition at Xingtai City, north China's Hebei Province, March 2, 2019. Over 200 students took part in an adolescent robotics competition held in Xingtai. (Xinhua/Tian Xiaoli)

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