British police lead flag waving crowds lining the monarch's route from the Houses of Parliament to Buckingham Palace to celebrate the Queen's Diamond Jubilee in London on June 5, 2012. Britain's Queen Elizabeth II wraps up four days of diamond jubilee celebrations with a thanksgiving service and ceremonial carriage procession in London, a formal contrast to the spectacular pop tribute staged outside Buckingham Palace the day before. AFP PHOTO / JOHN MACDOUGALL