Staircase, Wood Tread, and Metal Railing A flight of stairs, wrapping around an off-form concrete wall, provides vertical connection between floors.  Photo 10 of 22 in Trio Stack (a.k.a Project #10) by Studio Wills + Architects

Trio Stack (a.k.a Project #10)

10 of 22

A flight of stairs, wrapping around an off-form concrete wall, provides vertical connection between floors.