"Ethiopia- Blue Nile Gorge" . . . . . . "Blue Nile" . . "Blue Nile" . . . "1450000.0" . . . . . . . . . . . . . . . . "Blue_Nile" . . . . . . . . . . "Blue Nile river" . . . . "Blue" . "Blue Nile Valley" . . "Eastern Nile" . . "Upper Blue Nile Valley" . . "blue" . . . .