For those who are not familiar about the backstory of GERD. The selection of the location and the design was conducted during Emperor Haile Selassie era. His work has been completed 60 years later. Hats off to HIM!!!
The link shows an image of a dam printed on the 50 Birr banknote of the time.
https://www.worthpoint.com/worthopedia/ ... -429828111