Interior photograph of the permanent exhibition in the German Wire Museum, Altena, Sauerland, North Rhine-Westphalia, Germany Interior photograph of the permanent exhibition in the German Wire Museum, Altena, Sauerland, North Rhine-Westphalia, Germany Interior photograph of the permanent exhibition in the German Wire Museum, Altena, Sauerland, North Rhine-Westphalia, Germany Interior photograph of the permanent exhibition in the German Wire Museum, Altena, Sauerland, North Rhine-Westphalia, Germany