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Laser show to mark London's Shard

5 July 2012 Last updated at 06:52 BST

The Shard will be officially inaugurated later today.

The external completion of Europe's highest building is to be marked with a laser show.

Beams will be fired from its summit to 15 London skyscrapers and landmarks such as the Gherkin and Canary Wharf.

Graham Satchell reports.