Blast Walkway Just outside of the blast furnace is a series of platforms and catwalks to bring workers to the stoves. Related Similar Images ...based on the tags: catwalks, graffiti, peeling-paint... An unplanned skylight. It’s unclear why some parts of the building had wooden roofing, while others were highly reinforced with brick. There’s concrete under that dirt… under that water… somewhere. This is how the warehouse looks today. Germany’s steel mill city. These pools looked into the cribbing below the concrete. A wide view of the hallway behind the small performance space, covered in hundreds of names, aphorisms, and acts that walked up the stairs to the right and onto the small stage. Above the offices is this little section of factory that still has strips of wood flooring. This may be where the upholstery was cut. The long control room overlooks giant caps where equipment was removed long ago. The smokestack for the sintering plant included a big blower room, to launch the fumes into the atmosphere and away from the town. What could go wrong?