Going Vertical Another. Planet. Coal crushers and the coke loading line. Related Similar Images ...based on the tags: graffiti, overgrown, people, skyways, trains... Redlining is the practice of shutting certain races out of neighborhoods, and it is still a big problem today. Such behaviors were a big factor in creating the need for these projects. Ben Spring melt flows down the rusty rock house. In the background is the frame for the shaft. A tower above Minneapolis that few people see. 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? The largest extant structure when I visited. A ‘Hot Metal Car’ that would transport molten steel across the ‘Hot Metal Bridge’ from the furnaces to the mills. Raab It’s a small world… look at it.