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.