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Comic strip of a ghost and a person with the American flag pasted on the head. The ghost repeats "Boo!" in the first three panels without getting any reaction, but when it in the fourth panel says "kg, cm, km, °C" the American gets scared and screams "AHHHH!!!".
Edit: fixed alt text
Are you trying to say people can live in a sauna? The whole point is they're so hot you can't (safely) stay in them too long.
I'm obviously not saying that people spontaneously combust above that temp.
You can for a while