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.
13 Stair Design Ideas For Small Spaces // A ribbon staircase is a great idea for a small space because it's more vertical than a traditional staircase, it still has wide treads, and it creates a unique focal point in your home.