| ocean colonization core technology • concrete shell building • nautilusmaker® |

| ocean colonization core technology • concrete shell building • nautilusmaker® |

light-honeycomb-shell-interior-view-seasteading-ocean-colonization-architecture-yook3%E2%84%A2

been there, done that …

http://nautilusmaker.com/t/what-you-should-know-about-me/1584/1