A few kilometres northeast of modern Şanlıurfa in south-eastern Turkey, the tell of Göbekli Tepe is situated on the highest point of the otherwise barren Germuş mountain range. Rising 15 metres and with an area of about 9 hectares, the completely man-made mound covers the earliest known monumental cult architecture in the ancient Near East. Constructed by hunter-gatherers right after the end of the last Ice Age, they also intentionally buried it about 10,000 years ago.

Göbekli Tepe has been known to archaeologists since the 1960s, when a joint survey team from the Universities of Istanbul and Chicago under the direction of Halet Çambel and Robert Braidwood observed numerous flint artefacts littering the surface of the mound. However, the monumental architecture remained undetected, and was eventually discovered by Klaus Schmidt on a grand tour of important south-eastern Turkish Neolithic sites in 1994. In addition to the high density of flint…