Escher inspired
Steven Rice
You can read word 'impossible' on this image.
Artist's Facebook page http://www.facebook.com/estebanrice.
Artist's blog at Tumblr http://stevenrice.tumblr.com.
The image was found at http://stevenrice.tumblr.com/post/8432518802/impossible-by-steven-rice-up-for-voting-in-the-3.