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VERDUN, FRANCE - AUGUST 27: A former World War I German bunker stands in Spincourt forest on August 27, 2014 near Verdun, France. At least half a dozen of the bunkers still stand in the forest in an area where the German army maintained a hospital, rail connections and command posts during the Battle of Verdun. The 10-month battle, among the most horrific on the entire Western Front, resulted in a combined French and German casualty count of between 714,231 and 976,000 for both sides. The two armies fired an estimated 65 million artillery shells at one another, of which millions never exploded and are still strewn througout the region. France will commemorate the centenary of the battle in 2016 with events including the inauguration of a redesigned national memorial. (Photo by Sean Gallup/Getty Images)

VERDUN, FRANCE - AUGUST 27:  A former World War I German bunker stands in Spincourt forest on August 27, 2014 near Verdun, France. At least half a dozen of the bunkers still stand in the forest in an area where the German army maintained a hospital, rail connections and command posts during the Battle of Verdun. The 10-month battle, among the most horrific on the entire Western Front, resulted in a combined French and German casualty count of between 714,231 and 976,000 for both sides. The two armies fired an estimated 65 million artillery shells at one another, of which millions never exploded and are still strewn througout the region. France will commemorate the centenary of the battle in 2016 with events including the inauguration of a redesigned national memorial.  (Photo by Sean Gallup/Getty Images)