![](http://www.alamy.com/thumbs/6/80D1977F-17A4-4A31-9B73-79121F72FDAE/HBKM96.jpg)
Spiral Staircase
External Spiral Staircase Made From Steel Fire Escape
Size: 2667px × 4000px
Photo credit: © Zoonar/Marko Beric / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: architecture, building, emergency, escape, exit, exterior, fire, helical, metal, outdoor, safety, spiral, staircase, stairs, stairway, steel, steps, swirl