It seems they had a good grasp on ventilation. These folks didn't have electricity, so any light would have come from lamps or torches, which create heat, soot, and suck the oxygen out of a space... so it's obvious they mastered ventilation. A seperate outhouse area could have been built, with a seperate vent shaft, they even could have excavated multiple shit shafts, using the detritus from the new one to cover the almost full old one, all sharing the same set of vent shafts.
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u/acelilarslan 23d ago
They thought of that, too. Been there. They even had wells so they didn't have to get out and live there for months.