Spiral stairs are also called fan-shaped, spiral. Spiral staircases applied to a great extent, as auxiliary or if no other option, it is acceptable stairs.
Spiral out.keep going Taken at BC Cancer Research Center in Vancouver Canada. The DNA staircase reminds me of Lateralus by Tool, one of the best damn songs in the universe.
This green "Eye" is formed by a tall spiral staircase in a brick tower, reaching toward the bell inside the Lamberti Tower, Verona Italy. (You are looking upward into the bell tower:) By Davide Lombardi
Ten most amazing and beautiful Stairs. From Escher-esque leanings of Architects’ pseudo-spiral staircase and the grandeur of London City Hall to the modern minimalism of Ecole’s steel stairs and the log cabin feel of Alberto Mozó’s creation.