
Ready to roll.....a handout photo made available 3 January 2012 by Crossrail, London showing the first of eight, 1000 tonne tunnel boring machines that will be used to construct the new Crossrail tunnels under central London. The 140 metre long, full assembly TBM's will be used in what is described as Europe's biggest construction project, costing around 15 billion pounds (euros 18 billion). Photo taken 8 December 2011. EPA/HO

Ready to roll.....a handout photo made available 3 January 2012 by Crossrail, London showing the first of eight, 1000 tonne tunnel boring machines that will be used to construct the new Crossrail tunnels under central London. The 140 metre long, full assembly TBM's will be used in what is described as Europe's biggest construction project, costing around 15 billion pounds (euros 18 billion). Photo taken 8 December 2011. EPA/HO

Ready to roll.....a handout photo made available 3 January 2012 by Crossrail, London showing the first of eight, 1000 tonne tunnel boring machines that will be used to construct the new Crossrail tunnels under central London. The 140 metre long, full assembly TBM's will be used in what is described as Europe's biggest construction project, costing around 15 billion pounds (euros 18 billion). Photo taken 8 December 2011. EPA/HO E

Ready to roll.....a handout photo made available 3 January 2012 by Crossrail, London showing the first of eight, 1000 tonne tunnel boring machines that will be used to construct the new Crossrail tunnels under central London. The 140 metre long, full assembly TBM's will be used in what is described as Europe's biggest construction project, costing around 15 billion pounds (euros 18 billion). Photo taken 8 December 2011. EPA/HO