Machine drills initial few metres on rail link that will connect London and BirminghamTunnelling work has got underway on the first leg of the high-speed HS2 railway line which will connect London and Birmingham.The first of 10 enormous tunnel boring machines (TBMs), started excavating the first few...

https://www.theguardian.com/uk-news/2021/may/13/work-begins-under-chiltern-hills-boring-first-hs2-tunnel

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