

Among the upland plains and hills in the fertile Marmilla plain, marked by the Rio Mannu (torrent) most impressive is the upland plain called Giara of Gesturi. It is the wider one of the area, with an extension of about 45 Km square, raising up from the surrounding plain in a sort of natural monolitic fortress for about 500 mt. height. It is constituted by basaltic rock with volcanic origins and covered by all the typical species of the Mediterranean flora .... (continues)..