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Posts Tagged With "floating cities" Forum Replies Views Last Post
No New Posts future predictions, ocean colonies, floating cities, submarine yachts, habitats (Preview) ocean colonization technology visions 3 1209
No New Posts build new civilization on the ocean, seasteading, floating cities, ocean colonization (Preview) ocean colonization technology visions 3 1237
No New Posts habitats on the ocean, floating cities, seasteading, oceanic business development (Preview) ocean colonization technology visions 3 1067
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