The geometric complexity of Göbekli Tepe, considered by experts the oldest temple in the world, is a wonder to scientists and also a great mystery: how could a Neolithic society build something like this? Since German professor Klaus Schmidt discovered it in 1994, its construction has been attributed to hunter-gatherer populations some 12,000 years ago. … Continue reading Göbekli Tepe the Source of All Megalithic Monuments Including Stonehenge?