Well, no need to go that deep. With no volcanos around the Old City, we'd probably just be using a heat differential of maybe ten or fifteen degrees anyway... but if it's stable, that's enough.
Although if we can find some bit of volcanic activity or a hot spring or something that could work for electricity. Want to pick out a couple test sites? What would you need?"
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Although if we can find some bit of volcanic activity or a hot spring or something that could work for electricity. Want to pick out a couple test sites? What would you need?"