Beautiful new images of space settlement Kalpana One

> I'm thinking this could be a great alternative for underground habitats.

Yes, it solves a lot of problems with, say, living in a lunar lava tube.
Cover the roof of the tube with LED panels, treat it like the sky, and
build buildings (and plant trees, etc.) under it, and you'd have a nice
outdoorsy feel, while being fully protected from the hazards of space.

Best,
- Joe