KAIROS / João Quintela + Tim Simon Attention to detail I guess the idea was that the stair can be a part of building skin. For that, the architect made new type of stair. Actually the stair does not exist itself.
The hanging Spirals staircase. This design makes sweeping under the stairs easy! A hanging double spiral staircase is part of the Didden Village project in Rotterdam. There are two such staircases; the other is a single spiral.
CASA BY ÁBATON ARQUITECTURA. An award winning sustainably built house in Spain with a raw concrete central staircase. The suspended stairs link the entry and living room with the second floor. I'ma need dad to put his concrete expertise to work!