File:Escher's Relativity.jpg

Relativity, by M. C. Escher. Lithograph, 1953.


 * Source: Official M.C. Escher website.

Fair use in Relativity (M. C. Escher)
Though this image is subject to copyright, its use is covered by the U.S. fair use laws because
 * 1) It illustrates an educational article about the lithograph print that this image represents.
 * 2) The image is used as the primary means of visual identification of the article topic.
 * 3) It is a low-resolution image.
 * 4) Its inclusion in the article adds significantly to the article because the print and its historical significance are the object of discussion in the article.
 * 5) It is not replaceable with an uncopyrighted or freely copyrighted image of comparable educational value.