YPRES, BELGIUM - JULY 31: (L-R) Catherine, Duchess of Cambridge, King Philippe of Belgium, Prince Charles, Prince of Wales, Queen Mathilde of Belgium, Prince William, Duke of Cambridge and Prime Minister Theresa May during a ceremony at the Commonwealth War Graves Commisions's Tyne Cot Cemetery on July 31, 2017 in Ypres, Belgium. The commemorations mark the centenary of Passchendaele - The Third Battle of Ypres. (Photo by Geoff Pugh - Pool / Getty Images)
