menhir of arlobi at sunset, gorbea natural park, alava, spain

age alava ancient araba archaeological archaeology archeology arlobi basque bizkaia country euskadi gorbea gorbeia gorbeialdea grassland historic history landscape meadow megalithic menhir monument mountain murgia murguia natural paleolithic park pillar pre prehistoric prehistory primitive range rock sarria scenery spain stone sun sunset vizcaya zuia zuya