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Children visit the Chengdu Branch of the Chinese Academy of Sciences (CAS) in Chengdu, capital of southwest China's Sichuan Province, May 20, 2018. The 14th CAS "Public Science Day" was held on May 19 and 20. (Xinhua/Liu Kun)
14th CAS "Public Science Day" observed across China
Source: Xinhua| 2018-05-20 19:02:09|Editor: Lu Hui
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