Parking garage structure in East Lansing, MI. In this shot you are looking up(I was fiddling with the orientation quite a bit). The spaces between the tubes are open areas to the parking levels. Ok, it's not really a Habitrail for humans, but it is commonly referred to as that locally. I went with this shot simply because I wanted commenters to say, "What the heck is this?" I even thought about cropping tighter to remove the sky - that really would have made folks scratch their heads. But I liked the larger vertical tube and wanted to keep it prominent in the shot.
Tweaked the RAW and converted to grayscale. Did a lot of contrast and highlight/shadow/midtone adjustments. Cropped a little bit off, resized, and usm'd.
Guessing 6.2
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