The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse
It is disputed whether the copyright tag on this file is correct. In some cases this may be because the stated source or other information is not sufficient to prove the selected tag is correct. Reason: There is no CC-0 declaration at the source. The original source is not specified by the museum on its flickr page. The image is possibly PD-US-Gov.
With the tool CheckUsage you can check the usage of this file in other Wikimedia projects
Do not use this tag for files sourced to third-parties with no evidence of permission to license it under a compatible license, use {{subst:Npd}} for these situations.
This image was originally posted to Flickr by San Diego Air & Space Museum Archives at https://flickr.com/photos/49487266@N07/8092121747. It was reviewed on 2017-08-03 20:44:16 by FlickreviewR, who found it to be licensed under the terms of the No known copyright restrictions, which is compatible with the Commons. It is, however, not the same license as given above, and it is unknown whether that license ever was valid.
Captions
Aerial reconnaissance photo of Dortmund in Germany during World War II
Flygfoto över Dortmund i Tyskland under andra världskriget
Luftaufklärungsfoto von Dortmund im Zweiten Weltkrieg