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Olympic torch

Prince William, Duke of Cambridge, Catherine, Duchess of Cambridge and Prince Harry watch Wai-Ming hand over the London 2012 Olympic Torch to John Hulse during a visit to Buckingham Palace during Day 69 of the London 2012 Olympic Torch Relay on July 26, 2012 in London, England. The Olympic flame is making its way through the capital on the penultimate day of its journey around the UK before arriving in the Olympic Stadium on Friday evening for the Olympic games' Opening Ceremony. (Photo by Ian West - WPA Pool/Getty Images)

Royals greet Olympic torch

The Duke and Duchess of Cambridge and Prince Harry join the festivities,

while crowds gathered in Hyde Park for a concert, as the Olympic Flame

nears the end of it's 70-day, 8,000 mile relay.