Photograph of the McCormick Tribune Campus Center, Illinois Institute of Technology, showing a train moving through the Exelon tube. The... Show morePhotograph of the McCormick Tribune Campus Center, Illinois Institute of Technology, showing a train moving through the Exelon tube. The concrete and stainless steel tube encloses a 530-foot stretch of the Chicago Transit Authority's elevated Green Line commuter rail ("L") tracks. Photograph made available via Illinois Tech's institutional repository with the permission of Richard Barnes. Show less
Photograph of the McCormick Tribune Campus Center, Illinois Institute of Technology, showing a train moving through the Exelon tube and the... Show morePhotograph of the McCormick Tribune Campus Center, Illinois Institute of Technology, showing a train moving through the Exelon tube and the Chicago skyline in the background. The concrete and stainless steel tube encloses a 530-foot stretch of the Chicago Transit Authority's elevated Green Line commuter rail ("L") tracks. Photograph made available via Illinois Tech's institutional repository with the permission of Richard Barnes. Show less