> Evgeniy Yuryevich Krichevski, a Russian archaeologist, took a more pragmatic approach. He suggested the prehistoric peoples of Eastern Europe weren’t destroying their structures so much as they were reinforcing them. According to him, the heat of the flames would have hardened the clay walls into a ceramic surface [https://daily.jstor.org/three-technologies-ceramics/], while the smoke would have fumigated the living space.
https://daily.jstor.org/burned-house-mystery-why-did-this-an...