I sometimes hear people make fun of the fact that Berlin has a huge empty field right in its core area where Tempelhof airport used to operate which is now a public park and left almost entirely unchanged, runways and all.
They talk about it as if it's an example of the city's inability to do something "useful" with this land. And what they mean is build stuff on it.
But just the way it is, it is hugely popular among the people of Berlin, it's a unique space where the sheer size of it enables anyone to basically do whatever without annoying anyone else. Even at peak times like Saturday afternoon, it still doesn't feel crowded and the further away from the edges you go the emptier it gets.
It refuses any commercial "usefulness" and instead gives people space to use how they see fit. It's absolutely beautiful.
