Last fall, I did some substitute teaching while I looked for a full-time job. One day I was working at a school in the north part of the city. It was a beautiful fall day, and I had an abnormally long lunch break, so I decided to take a walk. I knew I was close to a trail that cuts through a large portion of the city, but I wasn’t exactly sure how to get there. So I started walking east, cutting through side streets as necessary.

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