This is only tangentially on-topic, but the opening anecdote about the floor collapse immediately reminded me of the Erfurt latrine disaster. If you aren't already familiar, count yourself as one of today's lucky 10k people:
https://en.wikipedia.org/wiki/Erfurt_latrine_disaster
Very Dwarf Fortressy, except DF doesn't have latrine pits, so you usually have to drop them in magma instead.
Very Dwarf Fortressy, except DF doesn't have latrine pits, so you usually have to drop them in magma instead.