historical fortification of the sardinia region, the nuraghe was the residence of the chief tribes

plain prairie grassland landscape steppe field hill badlands plateau pasture savanna wilderness ruins grass mountain rock agriculture soil nuraghe fortificazione residenza capo tribù storia sardegna castello sarda pietra pitre antiche masso grandi massi pietre reggia stanza buco fortification residence chief tribe history sardinia castle sardinian stone ancient boulder large boulders palace hole room nature sky green clouds summer travel tree cloud river cliff mountains rural