The way Schmidt sees it, Gobekli Tepe's sloping, rocky ground is a stonecutter's dream. Even without metal chisels or hammers, prehistoric masons wielding flint tools could have chipped away at ...

This rings especially true regarding Gobekli Tepe, an archaic complex in the heartlands of southeastern Turkey that could radically reconfigure our understanding of early human societies.

These pillars were carved from flint at a time when metal tools were not yet used, demonstrating architectural skills. So far ...