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Reuters London's Mayor Boris Johnson speaks during the one year countdown to the London 2012 Olympic Games, at an Olympic event in Trafalgar Square in centra - Photo

London's Mayor Boris Johnson speaks during the one year countdown to the London 2012 Olympic Games, at an Olympic event in Trafalgar Square in centra

Wednesday July 27, 09:30 PM
London's Mayor Boris Johnson speaks, alongside Britain's Prime Minister David Cameron (R), the President of the International Olympic Committee (IOC) Jacques Rogge (L), Chairman of the IOC Co-ordination Commission Denis Oswald (2nd L) and Princess Anne, during the one year countdown to the London 2012 Olympic Games, at an Olympic event in Trafalgar Square in central London July 27, 2011. The London Olympics entered its final year countdown on Wednesday with diver Tom Daley poised to make a splash in the newly-opened Aquatics Centre before the call goes out to the world to come and join the party. REUTERS/Luke McGregor (BRITAIN - Tags: SPORT OLYMPICS)