Contestants compete during the adolescent robot contest in Tianjin, north China, May 14, 2017. Over 3,000 students from some 130 schools participated in the robot contest on Sunday. (Xinhua/Liu Dongyue)
In pics: Middle school students' robot contest
Source: Xinhua| 2017-05-14 22:38:15|Editor: Hou Qiang
KEY WORDS: Robot contest
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