Rooftop Panorama A quick vertical panorama taken on my back at the sweet spot of a great summer sunset. On the skylight is the torch-cut catwalk that used to link the outside of the smokestacks that vented the cupolas. Related Similar Images ...based on the tags: clouds, panoramas, rooftops, rusty, skylights, smokestacks, trees... From a distance (here, Union Yards), you can still see ARMOUR spelled out on the smokestack in white brick. There are 700 of these storage bunkers. Their design was to funnel explosions upward, rather than toward other buildings, to minimize secondary explosions. At first glance, I thought the center building was a hoist house because of the shape of the window. Now I think this was built as a warehouse and later used as a laboratory. The bottom area of the smokestacks house storage spaces. The windows of these rooms that were never completed line up perfect. Taken around 11,600 feet. Like a grave marker, a single post remembers where Dock 3 stood on the bay. Shadows of distant power lines are carried to the concrete by street lights. The roof of the elevator was partly lit naturally with six big skylights. The less electricity pumped into a grain elevator, the less chance of a grain dust explosion. Two small generators connected to a Frick steam engine.