cromeleques of almendres near evora in portugal

alentejo almendres archaeological archaeology architectural architecture astronomical astronomy attraction celt celtic chamber circle circles cromelech cromeleques cult dolmen dolmens europe european evora green hill hilly historical history iberia megalith megalithic megaliths menhir menhirs monolith monoliths monument monumental natural nature neolithic oak observatory outdoor outdoors outside portugal portuguese prehistoric primitive religion religious remains rough sand shadow solar stone stones structure structured summer sunny temple tomb tombs tourism touristic tree trees wood