YPRES, BELGIUM - JULY 30:  Queen Mathilde of Belgium and Catherine, Duchess of Cambridge attend the Last Post ceremony at the Commonwealth War Graves Commission Ypres (Menin Gate) Memorial on July 30, 2017 in Ypres, Belgium.  The commemorations mark the centenary of Passchendaele - The Third Battle of Ypres.  (Photo by Mark Cuthbert/UK Press via Getty Images)