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USED FOR ASTRONOMICAL OBSERVATIONS IN THE 4th CENTURY B.C. |
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| The thirteen towers of Chankillo, as seen from the Chankillo fortress. |
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| Panoramic view of the thirteen towers of Chankillo. |
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| Detail of the towers of Chankillo. |
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| Close up of the towers of Chankillo. |
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| Close up of the wall near the towers of Chankillo. |