BBC - The Living Planet (1984) Part 1 The Building of the Earth

David Attenborough examines the ways in which animals and plants adapt to their surroundings.

Part 1 The Building of the Earth

Visits the world's deepest valley the Kali Gandaki river in the Himalayas. Its temperatures range from those of the tropics in its lower reaches to that of the poles higher up. It therefore shows how creatures become adapted to living in certain environments.

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