Britain's Prince William, Duke of Cambridge (R) and his wife Kate, the Duchess of Cambridge walk during a visit to the Commonwealth War Graves Bedford House on the outskirts of Ypres on July 31, 2017, as part of a series of commemorations for the 100th anniversary of the Battle of Passchendaele. The battle of Passchendaele, also called the third battle of Ypres, took place between July 31 and November 6, 1917 in Passendale, West Flanders. / AFP PHOTO / POOL / Aurore BELOT / Belgium OUT (Photo credit should read AURORE BELOT/AFP/Getty Images)
