London's Shard skyscraper observation deck opens to public
1 February 2013 Last updated at 18:13 GMT
The observation deck on the Shard - western Europe's tallest building - has opened to the public.
London Mayor Boris Johnson cut a ribbon to the viewing platform, which is positioned 243m (800ft) up the skyscraper.
Warren Nettleford spoke to Jack Sidders, of the Estates Gazette newspaper, Shard developer Irvine Sellar and London Mayor Boris Johnson.