8/32.- Sete Cidades, Sixth City, Pedras da Tartaruga

In this picture you can see the Turtle Shell rock in detail. The polygons that cover these rocks have always attracted the attention of Geologists.

Although there is a scientific explanation for these polygons, some "scientists" see the footprints of an extraterrestrial civilization here. Other theories say these rocks were built by a primitive civilization.

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