The chalk art of David Zinn

I am fascinated by minds that can look at a crack in a piece of concrete and see the basis for a work of art, or who can take something ordinary and create a thing of beauty around it. 

The street art of David Zinn is an example.

With chalk, charcoal and found objects, he improvises 3D street art that lasts only as long as the next rain. Here are some examples . . .