Stairs inside Amstelkring (aka "Our Lord in the Attic"). These aren't unusually steep for Amsterdam.
Image #20040522.3.FT.07
Photo © 2004, Giles Orr
https://www.gilesorr.com/AmLon/pics/20040522.3.FT/20040522.3.FT.20040522.3.FT.07.html
by
giles