Ethiopian workers construct on March 31, 2015 the Grand Renaissance Dam near the Sudanese-Ethiopian border. Ethiopia began diverting the Blue Nile in May 2013 to build the 6,000 megawatt dam, which will be Africa's largest when completed in 2017. The leaders of Egypt and Ethiopia promised on March 24 to boost cooperation on the Nile river and turn a page on a long-running row over Addis Ababa's controversial dam project. Egypt, heavily reliant for millennia on the Nile for agriculture and drinking water, feared that the Grand Renaissance Dam would decrease its water supply.     AFP PHOTO / ZACHARIAS ABUBEKER (Photo by ZACHARIAS ABUBEKER / AFP)
Work on the Grand Renaissance Dam is nearly complete and Ethiopia plans to start filling its reservoir in the summer of 2020. AFP

Egypt takes dispute over Ethiopia's Nile dam to Security Council