Nature's great events. Episode 5, The great flood / narrated by David Attenborough ; producer, Peter Bassett ; series producer, Karen Bass ; a BBC/Discovery Channel co-production in association with Wanda Films ; BBC Earth
The Great Flood in the Okavango turns 4,000 square miles of arid plains into a beautiful wetland. Elephant mothers guide their families on an epic trek across the harsh Kalahari desert towards it, using their trunks to siphon fresh water from stagnant pools along the way. Hippos battle for territory, as the magical water draws in thousands of buffalo and birds, and vast clouds of dragonflies. As the flood finally reaches its peak, elephants and buffalo, near the end of their epic trek across the desert, face the final gauntlet of a hungry pride of lions
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Title from resource description page (viewed May 18, 2018)