Buffer One of the few artifacts left in the chapel section is this old floor buffing machine. Related Similar Images ...based on the tags: black&white, left-behind... A 5-minute exposure of the tunnel and stars, and even some of Duluth’s city lights bouncing off the clouds. A single off-camera flash in the tunnel gives the effect of an oncoming train. Harsh rail yard lighting throws shadows of broken windows against the line of boilers. The remains of the surgical suite. A vent sitting at the base of one of the crumbling smokestacks. Clothing and a guest bed left behind. Where the approach meets the dock. A look straight down into the chutes were taconite pellets would dump into the dock hoppers. Rebar was a safety measure to keep workers from being buried alive, were they to slip into the holes. Note the tiled floor between the bucket conveyors and an old mill. The city has taken steps to prevent the curious and the desperate from going into the elevators, including piling rocks against the doors and windows.