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The Blue Planet - Episode 4: Frozen Seas

Category: (DVD)

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Editorial Review

Five years in the making, with a budget of over $10 million, Blue Planet: Seas of Life is the most comprehensive series of the Earth's oceans to date. Plunge into the mysterious deep with eight, full-length episodes from the highly acclaimed series. Join Sir David Attenborough as he leads an unprecedented exploration of the ocean, exposing stories of survival against the odds and revealing new species, habitats and behaviors never before caught on camera. Episode 4: Life on the edge of a frozen sea is tough. Pack-ice at both poles is constantly on the move, and in winter freezes solid with air temperatures 70 degrees Celsius below freezing. Only in spring, with the retreating ice and light reaching the water, does life begin again. Plankton blooms and feeds vast hordes of migrating fish, birds, whales, seals and polar bears. Walruses rake the seabed for clams. Minke and humpback whales gorge themselves on gigantic swarms of krill. But it is a brief indulgence, for the ice soon returns and pushes life back into the ocean.