We go inside the Severn Tunnel as it closes for major renewal work

Name: We go inside the Severn Tunnel as it closes for major renewal work
Uploaded: 2024-07-12T08:14:12.957Z
Description: It's a mammoth task, with teams also installing more than 10,000 sleepers and over 22,000 tonnes of ballast.

Fri 12 Jul 9.14am • It's a mammoth task, with teams also installing more than 10,000 sleepers and over 22,000 tonnes of ballast.

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