Britain's Queen Elizabeth and Prince Philip view the horses from the parade ring before the Diamond Jubilee Coronation Cup race at the Epsom Derby festival in Epsom, southwest of London June 2, 2012. Queen Elizabeth gets four days of celebrations to mark her 60 years on the British throne under way on Saturday with one of her favourite pastimes, a trip to the horse races, as tributes to the long-serving monarch pour in. REUTERS/Ben Stansall/pool (BRITAIN - Tags: ROYALS ENTERTAINMENT SPORT HORSE RACING SOCIETY)