London Olympic rings unveiled
London 2012 chairman Lord Coe and mayor Boris Johnson were among the VIPs who watched as 25 metre wide and 11.5 metre tall Olympic were lowered into place on Tower Bridge.
Olympic rings light up below Tower Bridge in London
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Mary Nightingale takes a look around the Olympic Park
With only a month to go until the London 2012 Games, ITV News has been to take a look around the Olympic Park.
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Olympic rings unveiled on Tower Bridge
Giant Olympic rings were unveiled at Tower Bridge to mark the one month countdown to the London 2012 Games.