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The first few photos in the Visitor Centre show models of the tunnel boring machines and the viaduct construction method.
The following photos are from the tunnel entrance viewing platform and at ground level from the minibus taking us around the site.
Then, at the southern end of the site, the photos are of the start of the viaduct section over the Colne Valley and the landscaping using the tunnelling waste - mainly chalk.
Retired BBC Engineers' visit to the HS2 construction site at Maple Cross.
24th November 2021            
A few notes are below the photos.