Map showing the course of the White Nile on its way down Sudan.
No machine-readable author provided. <a href="//commons.wikimedia.org/wiki/User:Lourdes_Cardenal" title="User:Lourdes Cardenal">Lourdes Cardenal</a> assumed (based on copyright claims).
CC BY 2.5
No machine-readable source provided. Own work assumed (based on copyright claims).