This image was acquired from
flickr. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
tangle texture skyline Lot Allied Air Raids on Europe WWII.German industrial city of Dusseldorf Germany after one week of heavy Royal Air Force raid of June . Some fires were still smoldering in the heart of the city and about acres were seen to be devastated by high explosives. These areas are the white patches on the photograph.