Big bore: Giant tunnelling machine starts work on HS2

Name: Big bore: Giant tunnelling machine starts work on HS2
Uploaded: 2021-05-14T15:44:08.000Z
Duration: 2 min 12 s
Description: At 170m long, "Florence" is the largest ever tunnelling machine to be used on a UK rail project.

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At 170m long, "Florence" is the largest ever tunnelling machine to be used on a UK rail project.

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14 May 2021