A participant controls a robot to play shadow puppets during the 18th "RoboGame" contest in University of Science and Technology of China in Hefei, east China's Anhui Province, Oct. 21, 2018. (Xinhua/Zhang Duan)
18th "RoboGame" contest held in Hefei
Source: Xinhua| 2018-10-21 22:29:58|Editor: Yurou
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