This image was originally posted to Flickr by nlnnet at https://flickr.com/photos/39727414@N00/20156196100. It was reviewed on 2016-05-11 19:50:57 by FlickreviewR, who found it to be licensed under the terms of the cc-by-sa-2.0, which is compatible with the Commons. It is, however, not the same license as specified on upload, which was the cc-by-2.0, and it is unknown whether that license ever was valid.