Nollendorfplatz U-Bahn Platform, Berlin, bathed in colored light from the windows.
It looked like an abstract painting to me.

https://en.m.wikipedia.org/wiki/Nollendorfplatz_(Berlin_U-Bahn)
Nollendorfplatz U-Bahn Platform, Berlin, bathed in colored light from the windows.
It looked like an abstract painting to me.

https://en.m.wikipedia.org/wiki/Nollendorfplatz_(Berlin_U-Bahn)