His art can reveal a person's anatomy.
Some posts ago I posted pictures of frogs and challenged you to find the real frogs versus the frog that was fake. (The colorful frog optical illusion>>) At the time I didn't know who'd created the fake frog, but now I know he's bodypainting artist Johannes Stötter. Here are more of his painted body optical illusions.
Click to enlarge and find the children.