Blame it on watching Teenage Mutant Ninja Turtles as a kid: sewers have a mysterious attraction to me. Where do they lead? What’s down there? Could little turtles really interact with radioactive goop and be turned into pizza-loving ninjas? As a kid I always loved crawling or climbing into out-of-the way places that I wasn’t really supposed to go. This sewer is no different. What is interesting is the network of large and small pipes that funnel into one central area, and the light that filters in from above.