Dutch firm Studioninedots has renovated a 1970s office building in the Dutch city of Hilversum, removing sections of the existing walls and floors to create a four-storey void crisscrossed by steel staircases (+ slideshow). More »
Readers were up in arms this week about a folded steel staircase, which they claimed were missing a crucial handrail. Our latest Pinterest board is dedicated to similarly extreme staircase design, from cantilevered wooden treads "as thin as plates" to a conceptual flight of steps attached midway up a skyscraper.
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