【大发快3官网网址_大发快3输钱官网】Xinjiang Institute of Ecology and Geography of CAS holds Public Science Day event

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Gu Qiyue, staff member from Xinjiang Institute of Ecology and Geography of Chinese Academy of Science, explains science knowledge to the visiting children during the academy's 15th Public Science Day event in Urumqi, northwest China's Xinjiang Uygur Autonomous Region, May 19, 2019. (Xinhua/Wang Fei)

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