ULL-F-881028-0000 First World War: fund-raising campaign in Berlin. After donating a small sum of money people were allowed to hammer a nail into the Iron monument of General Paul von Hindenburg Credit: Haeckel Archiv / Ullstein Bild / Alinari Archives WARNING: Permission must be required for non editorial use. Please contact Alinari Archives Date of photography: 1915 Place of photography: Germany, Berlin Event: World War I, 1914-1918 Collection: Ullstein Bild / Alinari Archives Object type: digital image Photographic technique: P digital image Technical info Image sizes (pixel): 3789 X 4759 Image sizes (cm at 300 dpi): 32 X 40 Image sizes (MB): 8.11 Color space: RGB