Big Picture Earth (Natural sound)· Season 1 · Episode 18

Colorado Canyons Of Time

S01E18·January 1, 2016

Rivers carved deeply through the red sandstone plateaus and formed Gateway Canyon more than 5 million years ago. Petrogylphs drawn by prehistoric man, as well as dinosaur tracks from even earlier inhabitants of the area, make this trip out West a not-to-be-missed experience.

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