3 ms·
Educational video of what the Crossrail project is with a lot of details on the Tunnel Boring Machines. http://www.crossrail.co.uk/construction/tunnelling/meet
by crusso 11y ago
Educational video of what the Crossrail project is with a lot of details on the Tunnel Boring Machines.
http://www.crossrail.co.uk/construction/tunnelling/meet-our-giant-tunnelling-machines/ http://www.crossrail.co.uk/construction/tunnelling/meet-our-...