(From L) Chamber chairman Siegfried Bracke, King Philippe of Belgium and Senate chairwoman Christine Defraigne attend a ceremony at the tomb of the Unknown Soldier, at the Congress Column in Brussels on May 8, 2015, to mark 70 years since the end of World War II. Europe held sombre ceremonies to mark 70 years since victory over Nazi Germany on May 8 as leaders warned of modern day threats such as the war in Ukraine and Islamic extremism.  AFP PHOTO / BELGA / THIERRY ROGE 
--BELGIUM OUT--        (Photo credit should read THIERRY ROGE/AFP via Getty Images)