Grand Canyon

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A road on the plateau at Arizona USA is cut at the rim at Grand Canyon. It is the lagest canyon.

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We can see a lot of layers at Grand Canyon. The long history of the earth has been memorized into the layers. Someday the canyon was under the sea, someday the canyon was a forest. The plateau raised up from the sea about 10milion years ago, when Colorado river start eating the plateau away.

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This is Northrim of Grand Canyon, where is quiet because it is so far from big towns.