Google Lens showed this as Stadtbad Steglitz.
https://www.google.com/gasearch?q=Stadtbad%20Steglitz&tbm=isch&source=sh/x/gs/m2/5
High quality images of abandoned things and places.
!abandonedporn@reddthat.com is for real places, but fictional ones are welcome over at !imaginarywastelands@lemm.ee.
Google Lens showed this as Stadtbad Steglitz.
https://www.google.com/gasearch?q=Stadtbad%20Steglitz&tbm=isch&source=sh/x/gs/m2/5
So that's why I immediately recognised the building. I used to go there when I was a kid, before it closed.
That's crazy