Ancient Civilizations2,400-Year-Old Underwater Structures Discovered Beneath Dicle Dam Lake In Türkiye Posted on April 9, 2026 by Administrator Historical structures estimated to be around 2,400 years old have been photographed underwater in the Egil district of Diyarbakir, in southeastern Türkiye. Egil is located 52 kilometers from the Diyarbakir city center and has been home to numerous civilizations from antiquity to the present, making it a significant site for religious, natural, and cultural heritage.