1. #21 in our 100 Ideas for NY: Blueprint Streets. It’s kind of like searching for treasure on the beach with a metal detector, but much more interesting. I could spend hours walking around the city following sewer routes, abandoned tunnels, underground data cables and ventilation shafts.

    #21 in our 100 Ideas for NY: Blueprint Streets. It’s kind of like searching for treasure on the beach with a metal detector, but much more interesting. I could spend hours walking around the city following sewer routes, abandoned tunnels, underground data cables and ventilation shafts.