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The Desert Speaks
Grand Canyon, The Human Touch
Season 15
Episode 1509
Host David Yetman joins his brother, geologist Dick Yetman, for an exploration of the traces of humans along the Colorado River and Grand Canyon region. They observe sacred salt mines from the boat, visit the intersection of the Little Colorado River with the main river, learn the history of rapids and spend time with scientists studying the effects of the Glen Canyon Dam.
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26:20
In Chile’s Atacama Desert people have lived for thousands of years in a land without rain.

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26:20
We trek inland to examine a cross section of the Patagonia desert into the Andes.

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26:20
Venture across the spectacular and colorful Argentine Patagonia.

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26:20
We travel to central Chile to the vineyards that have made Chilean wines famous.

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26:20
Tracing the San Andreas Fault.

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26:20
Exploring the isolated ecosystem of Catalina Island.

26:20
Travel along the coastline of Espiritu Santo Island with host David Yetman.

26:20
The famed Sea of Cortez boasts the greatest marine diversity in the world.

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26:20
Continue the journey through the gorgeously diverse Patagonia landscape.

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26:20
Travel with host David Yetman through the Patagonia landscape.

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26:20
Trace the Rio San Miguel through Sonora, Mexico.

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26:20
Discvoer how adobe was used in the past and is still used today.