Not exactly abstract in the regular sense, but when I saw this very random door and platform in a stairwell in Hamburger Bahnhof part of me said “Abstract!”. It does almost seem like some it could easily be part of some minimal/modernist art work 😁
If you really like this photo, you can order a print on-demand from Redbubble at the link below.
There are lots of options: prints, framed or not; canvas prints; postcards; and many more.
Eidetic Opacity 