Beijing Science Carnival kicks off in Olympic Park

    chinadaily.com.cn | 2017-09-15 07:53
    Beijing Science Carnival kicks off in Olympic Park

    Contestants check a new energy vehicle taking part in a competition, which is part of a series of events to be held on the National Popular Science Day at Olympic Park in Beijing, Sept 14, 2017. [Photo by Wang Zhuangfei/China Daily]

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