Foot Guards march to the Horse Guards Parade, as part of the Trooping the Colour parade, in London, Saturday, June 15, 2013. Queen Elizabeth II is celebrating her birthday with traditional pomp and circumstance _ but without her husband by her side. More than 1,000 soldiers, horses and musicians are taking part in the parade known as “Trooping the Color,” an annual ceremony. (AP Photo/Sang Tan)
