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Rivers: Friend and Foe
Rivers provide the essentials of life: fresh food and water. They often provide natural highways. They enable us to live in just about every environment on Earth. But as we discover in this episode, rivers are also capricious and treacherous. Rivers can flood, freeze or disappear altogether! Join Samniang, a Laotian fisherman who must walk a high wire strung above the raging Mekong River rapids on an extraordinary commute to work. Marvel at a remarkable partnership between Samburu tribesmen and wild elephants in their search for water in the dried-out river beds of Northern Kenya. Meet the father who must take his two children on a 6-day trek down a frozen river – the most dangerous school run on Earth! Watch the ice dam busters of Ottowa with their dynamite solution to a City Centre hold-up.