A worker walks out of the Connaught Tunnels section of the Crossrail construction project in East London, March 24, 2014. Crossrail are near to completing the deepening of a disused Victorian era ... more 
A worker walks out of the Connaught Tunnels section of the Crossrail construction project in East London, March 24, 2014. Crossrail are near to completing the deepening of a disused Victorian era railway tunnel to allow modern electric trains to travel through them as part of the East to West Crossrail project. Crossrail is Europe's largest civil engineering project and is due for completion in 2018. REUTERS/Andrew Winning (BRITAIN - Tags: SOCIETY BUSINESS EMPLOYMENT TPX IMAGES OF THE DAY) less 
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Reuters | Photo By ANDREW WINNING / REUTERS
Mon, Mar 24, 2014 6:17 PM EDT