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| Synopsis |
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Planet Earth is a mega series produced by the BBC as a followup of their vastly popular `Blue Planet’. This series travels around the world capturing nature’s extravagance. |
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Planet Earth – Caves descends into an undiscovered world to introduce some of the most remarkable and bizarre animals on Earth, from cave swiftlets, which navigate through pitch-black caverns using echo locations and build nests out of saliva, to the troglodytes - weird creatures that never, see daylight nor ever set foot on the surface. Specialists like the Texas cave salamander and Thailand's cave angel fish have neither eyes nor pigment. The entire populations of both are found in just a couple of caves. |
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The Cave of Swallows in Mexico is a 400-metre vertical shaft. It is deep enough to engulf the Empire State Building, yet few people even know of its existence. The Lechuguilla Cave, in the USA, is 193 kilometres long and 500 metres deep. It contains whole chambers filled with the most astonishing crystals, including some a staggering six metres long. |
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The Cave angel fish are
perhaps the most adapted
creatures on Earth, since
they live only in cave
waterfalls, hanging on with
microscopic hooks on their
flattened fins. Until now
they have never been filmed
before. Deer Cave in Borneo
is a daytime retreat for
five million bats. Their
droppings support an entire
community of creatures.
Shine a light on one massive
pile of droppings and the
whole place shimmers with
millions of dung-eating
insects. |
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In this episode Planet Earth probes the mysterious, perpetual darkness to reveal the unknown, underground world of caves, caverns and tunnels. |
Click on these links to learn more about the caves and animals featured in the film
http://en.wikipedia.org/wiki/LechuguillaCave
http://www.geographia.com/malaysia/gunung.html
http://www.forestry.sarawak.gov.my/forweb/np/np/mulupic/deerlang.htm
http://www.showcaves.com/english/mx/caves/Golondrinas.html
http://en.wikipedia.org/wiki/Swiftlet
http://en.wikipedia.org/wiki/Extremophile
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