In Barcelona, almost all the places I lived in had huge roof decks. They were all bigger than the actual apartments and were also much bigger than any place I lived in the US. Realistically, you could probably hang out there 10 months a year, though you’d need a jacket for a few of those weeks.
That’s totally nuts (and unnatural) to me now. Humans shouldn’t live in places that are hot for so long.
And here’s a fraction of one of my other roof decks in Barcelona.