British Queen Elizabeth II is seen accompanied by her husband Prince Philip, and members of her immediate family including heir to the throne Prince Charles, and his sons Prince William and Prince Harry, and William's wife Katherine, Duchess of Cambridge on the barge the Spirit of Chartwell during a pageant on the River Thames in London, Britain, June 3, 2012. The Queen on Sunday took part in the largest event held to celebrate her 60 years as queen by leading a flotilla of boats in a pageant down the River Thames through central London. [Wang Lili/Xinhua]