Tunnelling work is about to begin on a grand scale in London as the £16bn Crossrail project gets set to build 26 miles (42km) of tunnels beneath the capital.
The first of eight highly specialised Tunnel Boring Machines (TBM), which each weigh nearly 1,000 tonnes, is being positioned at Royal Oak in west London. From here it will begin its slow journey east, as it carves out a new east-west underground link. The scheme is currently the largest civil engineering project in Europe — via redwolf.newsvine.com
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