PHOTOGRAPHY CREDITS
By Photographer: Arcturus (Own work) [GFDL (http://www.gnu.org/copyleft/fdl.html), CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/) or CC BY-SA 2.0 de (https://creativecommons.org/licenses/by-sa/2.0/de/deed.en)], via Wikimedia Commons
By PolizeiBerlin - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=46220966
By Bene16 - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=11325526,GFDL, https://commons.wikimedia.org/w/index.php?curid=17209504
By USAF - Own work, USA Public Domain
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In determining whether the use made of a work in any particular case is a fair use the factors to be considered shall include-
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The fact that a work is unpublished shall not itself bar a finding of fair use
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(Pub. L. 94-553, title I, §101, Oct. 19, 1976, 90 Stat. 2546;
Pub. L. 101-650, title VI, §607, Dec. 1, 1990, 104 Stat. 5132; Pub. L. 102-492, Oct. 24, 1992, 106 Stat. 3145.)