1-148-911 - Ann Ronan Picture Library/Heritage-Images

French prisoner of war camp at Wahn, near Cologne, Franco-Prussian War, 1870. Over 280,000 French troops were captured by the Germans during the conflict. The correspondent remarks on the improvement of conditions for prisoners since Waterloo forty years before, due partly to the Geneva Convention of 1864. From The Graphic. (London, 22 October 1870).