Original sentence: The Aswan Dam, or more specifically since the 1960s, the Aswan High Dam, is an embankment dam built across the Nile in Aswan, Egypt, between 1960 and 1970
Edited sentence: Half a century after losing their homeland to the Aswan dam, Egyptian Nubians look set to finally gain recognition and redress for their plight.Lower Nubia is modern Egypt's very own lost Atlantis.The Aswan Dam, or more specifically since the 1960s, the Aswan High Dam, is an embankment dam built across the Nile in Aswan, between 1960 and 1970.This ancient land today lies mostly under the waters of Lake Nasser, a massive reservoir created by the Aswan High Dam