Grand Canyon (Grand Canyon) is the realm of the rock and the Gorge where the cliff with a height of 1600 meters, and up to 450 kilometers, Dale, Grand Canyon. Have the widest part, 29 km and 1.5 km deeper than the bottom of the Grand Canyon, the Colorado River, which flows through. Nowadays it is a stone age almost 2 billion years, the Grand Canyon in Arizona and the United States are countries who discovered thousands of wetli, is John Maxwell and tri-power in 1869.
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