Submitted by Anama Lowday on Tue, 16/07/2013 - 14:28
Crossrail Tunnelling
Wed, 10 Jul 13
Duration:
29 mins
Tracey Logan goes underground to find out how Crossrail is using the latest engineering techniques to create 26 miles of tunnels below London's tube network.
Interview with Professor Robert Mair: http://www.bbc.co.uk/podcasts/series/frontiers
