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Britain's Catherine, Duchess of Cambridge, and Britain's Prince William

Britain's Catherine, Duchess of Cambridge, and Britain's Prince William, the Duke of Cambridge, watch the equestrian eventing cross country phase at the 2012 Summer Olympics, Monday, July 30, 2012, in London. (AP Photo/David Goldman)

British royals attend Olympic Equestrian

Members of the British royal family attend the Olympic equestrian events to watch Zara Phillips, the granddaughter of Queen Elizabeth II, win a silver medal for Great Britain. -- By Carla Thorpe, Yahoo! Sports