French President Francois Hollande (L) and German Chancellor Angela Merkel attend a remembrance ceremony to mark the centenary of the battle of Verdun, at the Douaumont Ossuary (Ossuaire de Douaumont), northeastern France, on May 29, 2016. The battle of Verdun, in 1916, was one of the bloodiest episodes of World War I. The offensive which lasted 300 days claimed more than 300,000 lives. / AFP / FREDERICK
{"Image ImageDescription": "French President Francois Hollande (L) and German Chancellor Angela Merkel attend a remembrance ceremony to mark the centenary of the battle of Verdun, at the Douaumont Ossuary (Ossuaire de Douaumont), northeastern France, on May 29, 2016.\nThe battle of Verdun, in 1916, was one of the bloodiest episodes of World War I. The offensive which lasted 300 days claimed more than 300,000 lives. / AFP / FREDERICK FLORIN        (Photo credit should read FREDERICK FLORIN/AFP via Getty Images)"}