[firebones]

Strong "I drink your milkshake!" vibes from these proposals.

Both of these proposals require political stability we're unlikely to see over 600 or 50,000 years. You have to be thinking some kind of self-sustaining and monumental Pyramids-type project.

[quickthrower2]

Capitalism wise they should be safe. Unless there is a war why wouldn’t the plants keep running?

[chmod775]

> Unless there is a war

I think you will have trouble finding many places that haven't been touched by conflict in 800 years, given anyone lives there. If there's humans, there will be war.