A Perfect Planet - First Season English Subtitles

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<i>DAVID ATTENBOROUGH: A Perfect' Planet'.</i>

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We live in a world
with a violent atmosphere.

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Rain clouds form, and powerful winds carry
their fresh water around the globe.

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Without this, our perfect planet
simply couldn't function...

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...for all life on land
depends on the weather.

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We all know that the weather
can change on a daily, even hourly, basis.

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But annual weather patterns
have been stable for millennia...

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...and it's this reliability
on which life depends.

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