This structure has a square shape (cm. 330 by cm. 330) or rectangular shape (cm. 330 x cm.430). It can be fixed on the ground by suitable wedges, or leant on the ground only. The upper structure is particularly steady and very well decorated by still Greek frets. They are directly linked to the posts which give higher resistance against the atmospheric agents the structure can be equipped with 4 curtains both square and rectangular shapes.
