Europe, c. 500 Scots in Eire and only 5 cities of note, Ravenna, Rome, Lyon, Constantinople, and Toulouse.
Doggerland before the ice caps began to melt
Western Europe circa 10,000 BC at the very end of the Ice Age. Ireland had already split from Britain (when it was still a barren post-glacial tundra, hence no snakes!) but Britain was still linked to continental Europe until about 6500 BC as sea levels continued to creep upward.
Early Human Migration. No historical record exists that tracks the migratory patterns of the earliest humans. Scientists piece together the story of human migration Map of early human migrations according to mitochondrial population genetics
Ica Stone Carvings with Humans Interacting with strange animals that look like dinosaurs?