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Posts Tagged With "concepts" Forum Replies Views Last Post
No New Posts submerged living space concepts structures (Preview) Submerged living space bubble concepts 6 4486
June 28th
by Anonymous
No New Posts underwater habitat, for humans, concepts, building (Preview) underwater hotel 6 5654
No New Posts deep ocean colonization, projects, concepts, feasibility, structures (Preview) Ocean colonization technology human settlement 3 2289
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