I’ve always been impressed by Chicago’s urbanism. Yes, the city of broad shoulders has more awesome old buildings designed by renowned architects than most cities have buildings total, but the fabric of the city impresses me the most. Over the years I’ve spent the most time on the city’s north side, and have found block after block and mile after mile to be walkable and interesting. First of all, residential neighborhoods have sidewalks that line up with crosswalks in a continuous path (above). And people walk! Any given residential street may have a mix of bungalows and two-flats There are…