Students watch a demonstrative experiment at Binhu Primary School in Nanning City, south China's Guangxi Zhuang Autonomous Region, Dec. 2, 2016. A science and arts festival held by Binhu Primary School ended on Friday. (Xinhua/Zhou Hua)
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Students watch a demonstrative experiment at Binhu Primary School in Nanning City, south China's Guangxi Zhuang Autonomous Region, Dec. 2, 2016. A science and arts festival held by Binhu Primary School ended on Friday. (Xinhua/Zhou Hua)