LONDON, UNITED KINGDOM - FEBRUARY 11: Queen Elizabeth II receives His Excellency Thordur Aegir Oskarsson, the ambassador of Iceland, and Mrs Sigurborg Oddsdottir, as His Excellency Thordur Aegir Oskarsson presents his Letter of Credence at Buckingham Palace on February 11, 2015 in London, England. (Photo by Nick Ansell - WPA Pool/Getty Images)