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Planet Earth S01E04

Watch Online Planet Earth: Season 1 Episode 4 (S01E04) Stream Air Date: 22/04/2007

Caves


Plot: The Earth's large, deep calcareous caves are virtually inaccessible and therefore barely explored - requiring expert diving where flooded. Some of its wildlife is as strange and specific as in the deep, darkest part of the ocean, whether physically adapted -notably to the dark. Nevertheless, some caves(did) play an important part in native cultures, even as sources of fresh water for some Mayan cities.

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Watch Online Stream for Free Full Episode TV Show Planet Earth S01E04
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