Painted Pipes – (C)SUBSTREET At noon, the lower skylights around the shops glow yellow-green, thanks to the flora blooming on the roof above. Related Similar Images ...based on the tags: dark, dirty, doors, graffiti, numbers, pipes... Lockers for the boiler room workers. A typical room in the barracks, reinforced from mortars and light shelling, possibly. This floor of the workhouse had corkscrew conveyors–big augers–in the floor to move material around. Most of the walls that were metal were missing, leaving the concrete structure and open doors. This volume gauge could be read from 30 feet away, which is useful when the control panels and valves are that far away. The first step of the filtering process is being spun through this tube. Officers got houses and the honor of living near other officers. They call it Officer’s Row. The newer tunnels were fitted with these fluorescent lights, although some skylights (block glass embedded in skywalks) let in some natural light during the day. Past the underground repair shop is this cliffside adit. A view of the hallway outside of the auditorium.