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U.S. Government Photos and Graphics
About Collection of links to different US image collections in the public domain. Openness Most of these images and graphics are available for use in the public domain, and... -
NASA - Multimedia
About Images, video and audio from NASA. Re-use/openness All material is in the public domain. See copyright statement and photo guidelines for further details. -
Flickr - Creative Commons
"Many Flickr users have chosen to offer their work under a Creative Commons license, and you can browse or search through photos under each type of license." Over 7,7 million...
