Britain's Prince Harry (L) salutes as he stands alongside his grandfather Britain's Prince Philip, Duke of Edinburgh, during their visit to the Field of Remembrance at Westminster Abbey in central London on November 10, 2016.
Prince Harry and his grandfather, Britain's Prince Philip, Duke of Edinburgh, laid a Cross of Remembrance in front of two wooden crosses from the Graves of Unknown British Soldiers from the First and Second World Wars. Each year, Remembrance Tributes carring a personal message to someone who lost his or her life in military service, are laid in the Field of Remembrance. / AFP / POOL / Eddie Mulholland        (Photo credit should read EDDIE MULHOLLAND/AFP/Getty Images)