Subterranean Homesick Alien 🎵
Actually not only one.
So, the two tenon-heads that didn't seem human-like were 👽👽 according to our guide Freddy and Giorgio Tsoukalus from History Channel, I bet.
Anyway, it was very interesting cause among all the heads on the walls, only these two were almost intact 💭
SWIPE ➡ for a closer look