...Heart. 2/3. The Great Rift Valley channels a huge diversity of waterways - rivers, lakes, waterfalls, caustic springs and coral seas - from Egypt to Mozambique. Also in HD. [S,AD]
...Heart. 3/3. Series exploring east Africa's Great Rift Valley. On the vast savannahs, grazers and predators struggle to outwit each other, forcing primates to develop social systems. [S,AD]
...Heart. 2/3. The Great Rift Valley channels a huge diversity of waterways - rivers, lakes, waterfalls, caustic springs and coral seas - from Egypt to Mozambique. [S,AD]
...Heart. 1/3. Volcanic peaks soaring above the scorching plains of East Africa create cool islands of habitat where strange creatures have evolved in splendid isolation. [S,AD]