The secret word is "lava tubes."
Collapsed ones have been identified, so there must be intact ones. Move in, put up your inflatables, and there ya go.
Space/Science » in reply to I remember bringing this up a few years ago
Space/Science » in reply to I remember bringing this up a few years ago
Collapsed ones have been identified, so there must be intact ones. Move in, put up your inflatables, and there ya go.