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Climate change
The disastrous effects of continental crashes turned Wales' Carboniferous tropical forests into desert.
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大象传媒 Nature
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More clips from Sea, Swamp and Desert
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Carboniferous corals
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Sea monsters
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Missing link
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Salt, sand and footprints
Duration: 02:12
More clips from Iolo's Natural History of Wales
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Freeze and thaw—Wales In The Ice Age
Duration: 02:45
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Giant deer—Wales In The Ice Age
Duration: 00:53
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Woolly beasts—Wales In The Ice Age
Duration: 01:51
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Ancient Wales—Wales In The Ice Age
Duration: 01:31
