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大象传媒 Two
Horizon
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Main content
2002-2003
Horizon
Series exploring topical scientific issues
On iPlayer
Not available
Supporting Content
Permian extinction phases
—
The Day the Earth Nearly Died
Duration:
2:31
Permian extinction explained
—
The Day the Earth Nearly Died
Duration:
2:41
Volcanic monster
—
The Day the Earth Nearly Died
Duration:
2:28
Freeze and burn
—
The Day the Earth Nearly Died
Duration:
3:52
