![British Queen Elizabeth II is seen on the barge the Spirit of Chartwell during her Diamond Jubilee Pageant on 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 River Thames through central London. [Xiang Mei/Xinhua]](http://images.china.cn/attachement/jpg/site1007/20120604/00114321067a11369d930b.jpg "British Queen Elizabeth II is seen on the barge the Spirit of Chartwell during her Diamond Jubilee Pageant on 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 River Thames through central London. [Xiang Mei/Xinhua]")
British Queen Elizabeth II is seen on the barge the Spirit of Chartwell during her Diamond Jubilee Pageant on 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 River Thames through central London. [Xiang Mei/Xinhua]