Sorry, wrong link this is better http://www.moillusions.com/2006/03/chalk-drawing-illusions.html
No longer cycling related, but fun to look at. On Thu, Jun 25, 2009 at 2:43 PM, Emily Moy <[email protected]> wrote: > They do a lot of cool 3D chalk drawings. > > > http://www.coolopticalillusions.com/optical_illusions_images_2/artist_optical_illusion1.htm > > > On Thu, Jun 25, 2009 at 1:55 PM, Ryan Post <[email protected]> wrote: > >> Copied from VACA, pretty interesting idea. >> >> >> >> >> http://www.telegraph.co.uk/news/newstopics/howaboutthat/5563986/Cyclists-slow-down-to-avoid-crater-sized-hole.html >> >> >> > >
