ZHENGZHOU, July 15, 2016 -- Chinese bullet train "Dolphin Blue" prepares to leave Zhengzhou East Railway Station in Zhengzhou, central China's Henan Province, July 15, 2016. Two Chinese trains "Golden Phoenix" and "Dolphin Blue" dashing at world-record 420 km per hour in opposite directions passed each other on parallel tracks on Friday, in the latest feat achieved by China in high-speed rail. (Xinhua/Zhu Xiang)
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