YPRES, BELGIUM - JULY 31: (L-R) King Philippe of Belgium and Prince Charles, Prince of Wales lay wreaths on the Stone of Remembrance 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)
