Here's a close-up of gum along San Luis Obispo's Bubble Gum Alley. Kim of Seattle Daily Photo recently posted a full shot of this landmark, so have a look. Naturally, I chewed a piece of gum and left it there. It's the whiter-looking one to the lower left of the red piece on the lower left of the wrapper someone stuck on the wall, if you're interested....and I know you are...
Read more about Bubble Gum Alley.