Some had protruding foreheads, others had short, squashed faces. Some had enormous jaw muscles and big teeth, while others had enormous heads to hold bigger brains.
They had one thing in common, however: They were family -- our ancient family, that is, from around 2 million years ago.
The five Dmanisi individuals are no more different from each other than any five modern humans or chimpanzees.
The world's first completely preserved adult hominid skull from the early Pleistocene era looks surprisingly different from other skulls of the same era, yielding a remarkable insight.
When these early hominids were walking around, 2 million years ago, the climate was temperate and relatively humid, he said. The site was a short distance from water, situated on the remants of a lava flow. Beyond just skulls, some scattered evidence of daily life remained too, as well as a wide variety of plant and animal remains spread over an area spanning about 1.2 acres.
But the real revelation is the variation among these ancient creatures, who had long legs and short arms and smaller brains than us. What other secrets does this mountain range hold?