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London's 'Big Ben': Elizabeth Clock Tower cleaned

18 August 2014 Last updated at 11:34 BST

Cleaners have been working on the clock face on the Elizabeth Tower - which was renamed in 2012 to celebrate Queen's Diamond Jubilee.

Many people know the landmark as Big Ben - the nickname of the bell in the tower.

The clock hands were frozen at 12:00 as four cleaners scaled the clock face.