Here are several spiral staircases I’ve seen.
A double helix spiral staircase in Paris, France. 2007.
An ironwork spiral staircase inside the library at Trinity College, Dublin, Ireland. 2014.
Stairway inside a hotel in Glasgow, Scotland. 2015.
Here are several spiral staircases I’ve seen.
A double helix spiral staircase in Paris, France. 2007.
An ironwork spiral staircase inside the library at Trinity College, Dublin, Ireland. 2014.
Stairway inside a hotel in Glasgow, Scotland. 2015.
collecting tokens 
I recall the last one well. I love spirals in both directions.