The next day, David set to work on his hot spring. The concept was simple enough: a large pool with a chamber underneath where a wood fire would heat the water to a comfortable, soaking temperature.
It was a shame the estate wasn’t situated near a volcano; geothermal heat would have made things much easier. Still, a man-made version would serve just as well.
He consulted HelperBot-9000 for a suitable location, and his AI assistant identified a
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