Cool 3D Art by Amy Yarbrough

There are all sorts of different artists. Some like to draw cartoons, some like to draw realism... And then there are the ones that want you to feel like you're going to fall into a chasm! But it's cool nonetheless!

  http://www.boredpanda.com/5-most-talented-3d-sidewalk-chalk-artists/

http://www.buzzfeed.com/ariellecalderon/brain-melting-works-of-3-d-sidewalk-chalk-art

http://experiencewasabi3d.com/portfolio/

http://www.youtube.com/watch?v=UclnC5TEiqw

http://www.heavy.com/social/2013/04/the-20-awesomest-3d-sidewalk-chalk-drawings/