![](http://www.alamy.com/thumbs/6/3CAF4700-E2B5-4575-972A-8CDA0317D5AB/BTCTH6.jpg)
Prudential Building by Louis Sullivan, one of the first steel-supported curtain-walled buildings. Buffalo, New York, USA.
aka Guaranty Building
Size: 2400px × 3600px
Photo credit: © Philip Scalia / Alamy / Afripics
License: Licensed
Model Released: No
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