![](http://www.alamy.com/thumbs/6/F853B992-E7FE-472D-A9BA-02DE4261CDF1/FA6713.jpg)
Square spiral staircase
Size: 5760px × 3840px
Photo credit: © Jose Vilchez / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: &, abstract, architecture, art, background, black, building, circular, city, detail, direction, downward, feature, infinity, interior, levels, modern, pattern, perspective, spiral, square, stair, staircase, stairs, step, story, structure, tower, unique, urban, white