3 minutes video of how China builds a high-speed railway tunnel

Posted by Daniel Adiele on January 05, 2018

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And this is how China builds a high-speed railway tunnel.. How amazing!!! See the video, courtesy, CGTN:

In 3 minutes: How China builds a high-speed railway tunnel pic.twitter.com/ysoTp1uQ7A
— CGTN (@CGTNOfficial) January 4, 2018