Cutty Sark restoration
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Cutty Sark to be restored in time for 2012 Olympics

20 September 2011 Last updated at 09:11 BST

Four years ago a devastating fire almost ruined one of London's most famous landmarks, the Cutty Sark.

The restoration process began immediately but it has suffered from delays and extra costs.

Richard Westcott has been back to Greenwich to see how the rebuilding project is going.