Underground housing, underground businesses, etc. Would that be better for the environment + possibly save on energy costs? Also possibly safer in certain scenarios like tornadoes etc.

Potential issues that immediately come to mind are ventilation, earthquakes, and flooding. But it's not like underground dwellings/basements/etc. aren't a thing, so maybe those issues have been addressed in ways I'm not familiar with.

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[–] 2 points 2 months ago*

I've always wanted this. Underground cities would be so dope but everyone wants a 40x40 of domestic grass to do nothing with.

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