Britain's Catherine the Duchess of Cambridge, Prince Charles, Prince William and Belgium's King Philippe...
Britain's Catherine the Duchess of Cambridge, Prince Charles, Prince William and Belgium's King Philippe and Queen Mathilde, and Prime Minister Theresa May attend commemorations for the 100th anniversary of the battle of Passchendaele at Tyne Cot cemetery near Ypres in Belgium, July 31, 2017. REUTERS/Benoit Doppagne/Pool