ADDIS ABABA Ethiopian Prime Minister Abiy Ahmed on Thursday said a multi-billion-dollar mega- dam on the Blue Nile that has long worried neighboring countries is complete and will be officially inaugurated in September. The Grand Ethiopian Renaissance Dam (GERD), launched in 2011 with a $4-billion budget, is considered Africa's largest hydroelectric project, stretching 1.8 kilometers wide and 145 meters high. Speaking in parliament, Abiy said Gerd "is now complete, and we are preparing for its