Saw this at Curbly DIY Mavenhere [curbly_diymaven]: London-based Levitate Architects created this remarkable staircase to solve a big book storage problem in a small space.
You can pelt, you just have to pelt with the right feet. The big staircase I grew up with had a similar thing going on-- at the top, it spiraled ever so slightly, so all of us started going up with the same feet so we'd be all right when it came time to turn.
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