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Deep freeze and dinosaurs!
Paul Hudson learns about the climate and atmosphere during the Triassic period 250 million years ago and about an Ice Age 700 million years ago that covered the entire globe, a period known as "Snowball Earth".
Last on
Sun 25 Jan 2015
05:00
大象传媒 Radio Leeds
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- Sun 25 Jan 2015 05:00大象传媒 Radio Leeds