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Old coal mines can be 'perfect' underground food farms
- ineedasername 8y agoWe shouldn't restrict them to just farms. We should strive for fully independent biomes with space for human inhabitants. With the ability to be sealed off from all external influence. We could even plan for many of them to perform useful psychological studies on their populations. "Vaults" is one name that comes to mind for them, but we should probably number each one to keep track.