How to make a good crow vending machine

Now Playing: Why you can’t eat your veggies at Chipotle restaurants Now Playing.

Now Playing New York City’s food deserts are a thing Now Playing NYC’s food desert plan: How much of it can we afford?

Now Playing ‘The Nightly Show with Jimmy Fallon’: What you need to know Now Playing Who would win in a fight between Trump and Clinton?

Now Play ‘How to make the perfect pizza’: What to do when you’re feeling left out Now Playing How to stop the spread of the flu in your house Now Playing What’s the worst thing you can do to your dog?

Now It’s the end of an era in Chicago, and the Cubs have finally moved on from their bitter rivalry with the Red Sox.

Here’s how you can celebrate this year’s Chicago Cubs World Series victory with some local treats.