Jin Zhulin (right), winner of the design competition of Beijing-Zhangjiakou high-speed trains, shares his ideas during the prize presentation ceremony in Beijing, on April 23, 2018. (Photo/Xinhua)
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Jin Zhulin (right), winner of the design competition of Beijing-Zhangjiakou high-speed trains, shares his ideas during the prize presentation ceremony in Beijing, on April 23, 2018. (Photo/Xinhua)
