
A worker abseils down the clock face of London's Big Ben during repairs in London, Britain, 12 August, 2010. Repairs to the clock face, which is over 150 years old, take place every five years or so. EPA/ANDY RAIN

A specialist glazier makes minor internal repairs to the clock face of London's Big Ben during repairs in London, Britain, 13 August, 2010. Repairs to the world's famous clock face which is over 150 years old take place every five years or so. EPA/ANDY RAIN

Westminster Palace is seen through the clock face of London's Big Ben as work is being carried out on the tower to repair damage to the clock's faces in London, Britain, 13 August, 2010. Repairs to the world's famous clock face which is over 150 years old take place every five years or so.

Workers abseil down the clock face of London's Big Ben during repairs in London, Britain, 12 August, 2010. Repairs to the world's famous clock face, which is over 150 years old, take place every five years or so. EPA/ANDY RAIN

Westminster Palace is seen through the clock face of London's Big Ben as work is being carried out on the tower to repair damage to the clock's faces in London, Britain, 13 August, 2010. Repairs to the world's famous clock face which is over 150 years old take place every five years or so. EPA/ANDY RAIN