Cup marks are very common in Alentejo's prehistory and their meanings are still a mystery. They appear isolated or in clusters in outcrops, menhirs or passage graves monoliths. This granitic bloc, with an oval shape, is covered with these cup marks in a quite unique way. It is at the surface, inside Perdigões enclosure.
(Photo copyright Miguel Lago / Era Arqueologia)
(Photo copyright A.C. Valera / Era Arqueologia)
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