This file is licensed under the Creative CommonsAttribution ShareAlike 2.5 License. In short: you are free to share and make derivative works of the file under the conditions that you appropriately attribute it, and that you distribute it only under a license identical to this one. Official license
This image, which was originally posted to Flickr, was reviewed on 9-April-2007 by the administrator or trusted userDavepape, who confirmed that it was available on Flickr under the above license on that date.