#East African rift

• Alago — A proper noun designating a major historical river and a correlated desert region located within the Wollo administrative province of northeastern Ethiopia, inside the Danakil Depression; it also represents a cartographic landmark of outstanding importance for the nomadic Afar tribes. This geographical hub within an area of intense tectonic and geothermal activity is characterized by intermittent waterways, arid saline soils, and deep canyons, functioning as a structural natural barrier along traditional salt transport routes in the Horn of Africa.