An example of rosette with dihedral symmetry D16 in the centre of Milan (or D4, according ...
A rosette with dihedral symmetry of type D16 (or D8 if we consider the external part), on ...
A knot on the paving of the Galleria, in Milan.The image has been used at the exhibition m...
On the ceiling of the arch at the ectrance of the Galleria, in Milan, a pattern of type *4...
