Helicopter footage shows the first HS2 giant tunnelling machine

1,825 просмотров 13.05.2021 00:01:37

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<p>The 558ft long contraption will dig a 10-mile tunnel under the Chiltern Hills, starting from a site in Buckinghamshire near the M25 motorway.</p>

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Helicopter, footage, shows, first, giant, tunnelling, machine