Here's a video about a moon base in a ship that has been laid on its side:

See section of video from about 5:00 to 9:00:

[[https://www.youtube.com/watch?v=kFyc1GQXY3w|Elon Musk's New Starship Moonbase Design Revealed... (video)]]

[[image:spacex-HLS-moon-base.png|width=800]]

[[image:spacex-HLS-rosa-base-monte-negro.org.png|width=800]]