Hot Metal Trench The working end of the blast furnace, where molten metal would flow like lava out of the furnace… a process called ‘tapping’. Similar Images ...based on the tags: circles, cranes, ditches, furnaces, graffiti, machinery, pipes... Sunrise in the orphanage… between classrooms and whispers. The huge snowfalls of 2011 brought new collapses across the buildings. The long control room overlooks giant caps where equipment was removed long ago. One of the only remaining pieces of equipment in the distilling room is this green control panel on a bridge suspended in the middle of it all. Watching the demolition of one stockhouse from another. The two cranes were removing steel storage tanks. The crumbling building barely contained the colors inside of it. The only good shot I have of the top of Battery A, in the upper left. Though it seemed to have been disused before its neighbor it had a lot less growth on it. Looking up at the most conspicuous graffiti in the city on ADM #4. Empty spools, thousands of them, were around the mill.