548 - Tin-Aboteka (Tassili-n'Ajjer). - Three rectangular structures, two of which show stakes (?) at each corner and contain indeterminate objects in the shape of spools. Three in the right structure, one in the two others. In all three structures, the lines forming the rectangles are doubled on the outside. Width of the right rectangle: 0.50 m.
548 - Tin-Aboteka (Tassili-n'Ajjer). - Three rectangular structures, two of which show stakes (?) at each corner and contain indeterminate objects in the shape of spools. Three in the right structure, one in the two others. In all three structures, the lines forming the rectangles are doubled on the outside. Width of the right rectangle: 0.50 m.