It looks like this
Coming to Amsterdam for a messy night?
+ getting trashed
= 140 euro fine
+ criminal record
= fewer prospects
So coming to Amsterdam for a messy night?
Stay away
I love how you can hear the Dutch accent oozing off of the text.
That has to be in Vienna, Austria. They are anti air installations built during ww2
Edit: yep
Reading up on it it could also be in Berlin or Hamburg. The ones in Vienna were in the middle of a park when I was visiting. It was a bit surreal all these families picknicking there, their children running around playing, beneath these enormous military buildings.