The Linear Oasis

S1, E6: The course of South Africa's Orange river from its origins to where it spills out into the Atlantic Ocean. Along the way, a diverse range of habitats and the creatures they support can be found, from the dry lands of the Richtersveld to the beauty of Augrabies. This is the story of the Linear Oasis. A look at how life is adapted to survive along its course and discover a rich world of plants and animals.