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Chris Packham explores Earth's worst mass extinction 252 million years ago, when up to 90% of species died and life was pushed to the brink. Yet life recovered, and a new geological era began that led to the age of the dinosaurs.
Chris Packham explores Earth's worst mass extinction 252 million years ago, when up to 90% of species died and life was pushed to the brink. Yet life recovered, and a new geological era began that led to the age of the dinosaurs.