HS2 high-speed rail project begins underground tunnel - Dr-Buzz4U

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HS2 high-speed rail project begins underground tunnel

https://ift.tt/eA8V8J HS2 high-speed rail project begins underground tunnel At 170m long, "Florence" is the largest ever tunnelling machine to be used on a UK rail project.

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HS2 high-speed rail project begins underground tunnel Rating: 4.5 Diposkan Oleh: Dr-tech

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