https://images.dwell.com/photos-6063391372700811264/6138859352664510464-large/the-main-staircase-consists-of-simple-oak-treads-that-cantilever-out-from-side-walls-sheathed-in-natural-vertical-board-and-are-supported-on-the-other-side-by-a-continuous-grill-like-railing-truss.jpg