I'm sure someone will have the answer to how this works

[fenderbelly]

http://www.bitoffun.com/video_vault/escherian-stairwell.htm (http://www.bitoffun.com/video_vault/escherian-stairwell.htm)<o:p></o:p>

[BobL]

Hoax
The Escherian Stairwell At The Rochester Institute Of Technology [VIDEO] | Most Watched Today | The Best Online Videos (http://www.mostwatchedtoday.com/the-escherian-stairwell-at-rochester-institute-of-technology/)