Pupils watch the robot competition at Tsinghua University High School-Yongfeng in Beijing, capital of China, July 20, 2017. The 2017 "Tsinghua Young Scientists" China Adolescent Science and Technology Innovation Contest was held here on Thursday. (Xinhua/Li Wen)
Adolescent science and technology innovation contest held in Beijing
Source: Xinhua| 2017-07-20 19:40:04|Editor: Yurou Liang
KEY WORDS: Contest
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