The Best View of the Grand Canyon
Scientists still don’t entirely comprehend the 1.5 billion year history of the Grand Canyon; it’s a story of erosion that has created one of the most breathtaking sites in America.
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Scientists still don’t entirely comprehend the 1.5 billion year history of the Grand Canyon; it’s a story of erosion that has created one of the most breathtaking sites in America.
(171)
