People watch the performance of penguins during a penguin science exhibition in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, Nov. 28, 2015. (Photo: Xinhua/Huang Xiaobang)
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People watch the performance of penguins during a penguin science exhibition in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, Nov. 28, 2015. (Photo: Xinhua/Huang Xiaobang)