Throughout the ages, civilisations have risen up and then disappeared.
Traditionally, the disappearance of certain ancient civilizations has been left to the theologians and historians to explain.
Now scientists have entered the fray.
In this series geologists, archaeologists and climatologists explain their findings.
Ancient Apocalypse seeks to explain how human achievements were destroyed by the forces of nature.
Episode 01: Death on the Nile
Series using science to solve riddles of the ancient past. Prof Fekri Hassan attempts to determine why the Egyptian Old Kingdom, the civilisation of the great pyramids, collapsed around 2200 BC. Can science show that terrible forces of nature were to blame? Clues come from the deserts of southern Egypt, the glaciers of Iceland and a find in the Nile delta