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The Great Rift Valley provides the stage for an epic battle between trees and grass - its course influenced by volcanic eruptions, landscape and rainfall. On its outcome rests the fate of Africa's great game herds. In the Rift's savannas, grazers and their predators struggle to outwit each other, forcing one group of primates to develop a social system that paved the way for the evolution of mankind.
First Air Date : Jan 24, 2010
Last Air date : Feb 09, 2010
Episode : 3 Episode
Season : 1 Season
Runtime: 60:14 minutes
Studio: BBC Two
Country: United Kingdom, United States of America
Cast: Hugh Quarshie
