River Nile sources in Uganda; President Morsi meeting UgandaOCOs President Yoweri Museveni

Clockwise from top left: a map featuring dams on the Nile Basin; a historic picture of the building of EgyptOCOs High Dam (photo: Mohamed Youssef); the late president Gamal Abdel-Nasser meeting UgandaOCOs former prime minister Apollo Milton-Obote in 1964 (photo: Abdel-Sattar Youssef); the River Nile in Egypt