 In constructing his "Pusadian Age", de Camp took Plato's account of Atlantis and the supposed period of its existence seriously, postulating an early high civilization thousands of years before those of the Egyptians and Sumerians, at the time of the last ice age.At that time, in accordance with actual Ice Age geography, lower sea levels meant that Eurasia and Africa were joined into a single land mass, whose coastline extended far out onto what is today the flooded continental shelf.Civilization is located in the Euskerian lands, which are dominated by the Tartessian Empire, centered in what is now Spain.