Rendered Escher
69 R.P.M.
The building where the Escher's Relativity room is in need to repair. To do it, a special team of workers was invited, which has no power over gravity.
Artist's Flickr profile http://www.flickr.com/photos/69rpm/
See also Fire at the end of the ladder by the same artist.
Relativity renovation
Artwork was found at http://www.flickr.com/photos/69rpm/3460964455/