TO GO WITH AFP STORY BY FRAN BLANDY & PIERRE-MARIE GIRAUD. (FILES) - A picture taken during the first World War shows French soldiers taking care of wounded comrades in a trench. For three years during World War I, millions of soldiers holed up in a warren of trenches, fighting and dying in nightmarish conditions along a barely moving frontline. AFP PHOTO.
TO GO WITH AFP STORY BY FRAN BLANDY & PIERRE-MARIE GIRAUD. (FILES) - A picture taken during the first World War shows French soldiers taking care of wounded comrades in a trench. For three years during World War I, millions of soldiers holed up in a warren of trenches, fighting and dying in nightmarish conditions along a barely moving frontline. AFP PHOTO