Walk All Over Me Art

Just found out about the amazing optical illusions, prevalent in side-walk art. Thank you visual cognition lecture. These aren't just your 2D hopscotch outlines. Here are a few special pedestrian paintings created by Julian Beever, he's pretty well known in the chalk block:

  

 View from in front and beside, amazing effect. 

Batman and Robin to the rescue, is my personal favorite.

Hope you enjoyed the visual cortex confusion.