A sample of some of the creations. Pictured, a fish-like creature. Or maybe a fish.

The shadow created by a lamppost, repeated throughout the day as the sun moved across the sky. Awesome! We've got to try this again sometime.

As you might have noticed, we like turning utility fixtures into impromptu canvases.

Manholes in a line. They were just begging to be appropriated for fun chalkwork.

Do you have the Tetris theme song in your head yet?

The cow jumping over the moon has nothing on a turtle flying over the sunset.

This gentleman kindly let himself be traced, just like at a crime scene. Oh, and also, we had just killed him.

I've never seen someone so excited to find hidden treasure.

This was early in the day. By sundown, the somewhat confused passersby had spoken, and Bea had won in a landslide. Next year, Mags. Next year.

Is it an intricate flower, or a super-complex graph on polar coordinates?

Nary a spot could be found that wasn't covered in chalk drawings.

We brought out the Mystery Jar again this year, and several people were willing to give it a try. Here we have "Illustrate your favorite song."

Another Mystery Jar creation, "A woman dressed like an ice cream cone."

Who said chalk art had to be line drawings?

C'mon. Of course there was Advanced Hopscotch...

...and come on. Of course there was Beginner's Hopscotch, too.