It is the greatest escape story in history: how Moses and the Israelites fled from enslavement in Egypt with the parting of the Red Sea. Geo-archaeological evidence shows that a volcanic eruption caused a mega-tsunami and this could have temporarily turned deep water shallow. Meteorologists and oceanographers have proposed another theory. Did a massive storm part the sea? Archaeologists are scouring the Sinai desert for definitive proof of the existence of the wandering Israelites and their exact escape route.