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NOVA S19E14 · Rafting Through the Grand Canyon

NOVA

NOVA

Season 19 · Episode 14 · Rafting Through the Grand Canyon · 55 min

NOVA explores Earth's greatest natural wonder by rafting down the river that created it, repeating the spectacular first canyon voyage of the 19th-century explorer John Wesley Powell. The Grand Canyon tells the story of nearly 2 billion years of earth history plus the changes caused by three decades of human intervention.

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