NYC is riddled with subway tunnels, utility tunnels, massive water-carrying tunnels, and tunnels of all kinds. https://www.vanityfair.com/news/politics/2013/10

NYC is riddled with subway tunnels, utility tunnels, massive water-carrying tunnels, and tunnels of all kinds. https://www.vanityfair.com/news/politics/2013/10/new-york-city-underground-subway-danger https://www.vanityfair.com/news/politics/2013/10/new-york-ci...