French President Francois Hollande (L) and Polish President Bronislaw Komorowski participate in the French-Polish ceremony at the Polish War cemetery in Urville-Langannerie June 6, 2014. World leaders and veterans gathered by the beaches of Normandy under clear blue skies on Friday to mark the 70th anniversary of World War Two's D-Day landings. REUTERS/Pascal Rossignol (FRANCE - Tags: CONFLICT ANNIVERSARY POLITICS)