28/07/2011 11:13
London presents Olympic medals
The Princess Royal has unveiled the London 2012 gold medals as the one-year countdown to the Olympics began.
The medals depict the Greek goddess of victory, Nike, stepping out of the depiction of the Parthenon to arrive in the host city.
Thousands gathered in Trafalgar Square where David Cameron promised London's would be the "greatest games".
Meanwhile, diver Tom Daley performed the first official dive at the Aquatics Centre, the latest venue completed, the BBC reports.
At Trafalgar Square, Mr Rogge and London Mayor Boris Johnson invited the world to come to the British capital to celebrate the Games next summer.
Mr Johnson boasted that London is already so ready for the 2012 Games that "we might as well call a snap Olympics tomorrow", the source reports.