Some T-shaped limestone megaliths at Göbekli Tepe weigh u…

HistoryNeolithic (c. 9600–8000 BCE)Southeastern Turkey (Upper Mesopotamia)low confidence

Some T-shaped limestone megaliths at Göbekli Tepe weigh up to 50 tons.

Notes on verification

Corroborated by History.com, Live Science, and German Archaeological Institute excavation blog, which provides technical grounding via quarry evidence of an unfinished pillar of comparable projected weight.

Sources

Gobekli Tepe | Neolithic, Prehistoric, Monument, & Map (britannica.com)
https://www.dainst.blog/the-tepe-telegrams/2016/05/03/how-did-they-do-it-making-and-moving-monoliths-at-gobekli-tepe/ (dainst.blog)
https://www.history.com/articles/gobekli-tepe (history.com)

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