Elissa Jobson

Beki and his friends sit around a table on the deserted terrace of the Sally café on Addis Ababa’s bustling Bole road. The sun is beginning to set and the cool evening air has driven the other patrons inside.

Strong emotions rise to the surface when discussions turn to the Nile, the world’s longest river. Most debate swirls around control of its basin which is shared by 11 African nations.