Interesting deck that shows moon caves are not a new concept at all. I’m surprised this hasn’t shown up in more sci-fi movies by now… slides 11 and 16 are quit

Interesting deck that shows moon caves are not a new concept at all. I’m surprised this hasn’t shown up in more sci-fi movies by now… slides 11 and 16 are quite compelling! Now how do we know there isn’t anyone there already… ;)