Tanzania
preferred label: تانزانیا @fa
type: Concept
narrower: Olduvai Gorge

East Africa
preferred label: آفریقای شرقی @fa
type: Concept
narrower: Olduvai Gorge

Olduvai Gorge
broader: East Africa
broader: Tanzania
preferred label: تنگه اولدوای @fa
type: Concept