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Four Rivers Episodes

  1.

    Severn River, UK

    Britain's longest river is just 220 miles long, but it is a major source of drinking water

  2. Sarasvati River, India

    The mythical river's connection to the goddess Saraswati and its importance in Hinduism

  3. Mississippi River, USA

    The river's history, cultural legacy - and iconic steamboats

  4. Niger River, Mali

    The river's geography from Niafunk茅 to Bamako, its exotic history and uncertain future