A child experiences a chemical experiment in Jinan, capital of east China's Shandong Province, May 20, 2017. Various activities are held across China during the 2017 National Science and Technology Week. (Xinhua/Zhu Zheng)
Activities held across China during National Science and Technology Week
Source:Xinhua| 2017-05-20 21:52:26|Editor: Mengjie
KEY WORDS: Science and Technology
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