![](http://www.alamy.com/thumbs/6/ADAF543F-78F3-4D72-BE5F-33DE0C8F3266/D86DHT.jpg)
Auditorium Building by Louis Sullivan, in the Loop, Chicago, Illinois
Size: 4020px × 3099px
Photo credit: © Philip Scalia / Alamy / Afripics
License: Licensed
Model Released: No
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