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Valley of Fire SP,surface details,illusion,stone surface, photo
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Ancient Canyon

Valley of Fire SP

The surface of this rock, with its irregular lines and apparent shadows (left), and smoother line with the appearance of a rounded face (right), seems like an aerial view of an ancient canyon. It is, in fact, a relatively smooth surface of rock and the topographical details are illusory. Photo © copyright by Robert Faucher.

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