Carved human skulls found at ancient worship center in Turkey
Ritual grooves are different from those discovered at other ‘skull cult’ sites

SKULL SITE Excavations of this ancient ritual center (left) in Turkey dug up large stone pillars and stone carvings of animals, people and abstract symbols (right). New finds show that hunter-gatherers there altered skulls of the recently deceased in a previously unobserved way.
German Archaeological Institute (DAI)