In the heart of Siberia, Lake Baikal is one of the biggest lakes in the world. It contains 20% of the world’s fresh water and is nicknamed “the great sacred sea” by Russian people. Its water is extremely pure, thanks to the “goupki”, a little animal that filters water. Lake Baikal is frozen half of the year, but nevertheless has a great biodiversity.

Extract from the documentary: “The Secret Life of Lakes – Lake Baikal, Ice and Water”
Direction: Stéphane Bégoin
Production: ZED, Productions Nova Média & ARTE France


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