shopping center - double-helix spiral stairs - san francisco

The San Francisco Shopping Center on Market St (San Francisco)

Looks like a spiral galaxy, doesn't it?

Looks much better in large size.

architecture double helix ellipse elliptical galaxy nordstrom san francisco center san francisco centre shopping center spiral stairs westfield
865 Market St, San Francisco, CA 94103, USA

Photos of spiral stairs, circular stairs and double-helix stairs.­