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14th CAS "Public Science Day" observed across China

A staff member introduces a video to visitors at the Wuhan Institute of Physics and Mathematics of the Chinese Academy of Sciences (CAS) in Wuhan, capital of central China's Hubei Province, May 20, 2018. The 14th CAS "Public Science Day" was held on May 19 and 20. (Xinhua/Xiong Qi)

[ Editor: WPY ]