An outline of the piece (intentional or not) remains on the ground where I presume glue was applied before pasting it up on this wall in Chicago’s West Loop.

This mysterious symbol has shown up on many streets in downtown (and near downtown) Chicago. I’m not sure what it means. This is from the West Loop neighborhood.

I often, but not always, put ketchup on my Chicago-style hot dog. Yeah, I do. Wanna fight about it?

Boeing Building and a break in the clouds. Chicago