Queen Elizabeth II and her sister, Princess Margaret, Countess of Snowdon pictured together as they observe events at the Badminton horse trials in...
{"Image ImageDescription": "Queen Elizabeth II (left) and her sister, Princess Margaret, Countess of Snowdon (1930-2002) pictured together as they observe events at the Badminton horse trials in Gloucestershire, England on 26th April 1971. (Photo by Rolls Press/Popperfoto via Getty Images/Getty Images)", "Image Copyright": "1971 Popperfoto"}