Britain.s Queen Elizabeth II travels by carriage to Buckingham Palace with Camilla, the Duchess of Cornwall and Prince Charles, after a lunch at Westminster Hall in London Tuesday June 5, 2012. Crowds cheering "God save the queen!" and pealing church bells greeted Queen Elizabeth II on Tuesday as she arrived for a service at St. Paul's Cathedral on the last of four days of celebrations of her 60 years on the throne (AP Photo/Matthew Lloyd, Pool)