Giant space ship, with big open spaces.
I don't mind in space-fantasy movies like Star Wars, but in more realistic, less futuristic shows, it makes little sense.
I was watching The Expanse on SyFy which takes place in the near future. The Martian ship has large, cavernous spaces. The amount of air needed to fill those spaces, plus the extra resources to build that much empty space that is still structurally sound is wasteful and stupid.