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A rosette with cyclic symmetry of type C8 in this mill in Crete.
In the courtyards of the University of Milan, in via Festa del Perdono, this floor has a s...
On this pavement in Funchal (Madeira, Portugal) we can see a frieze of type *22∞.
On this pavement in Funchal (Madeira, Portugal) we can see a frieze of type 22∞.
The scheme of symmetry of this floor in Funchal (Madeira, Portugal) is of type *×.
In Paris, in the section dedicated to the Roman antiquities of the Louvre, the floor is de...
The outline of this street lamp (in Castell'Arquato, Piacenza) presents a rough dihedral s...
This street-lamp has a symmetry of type D3, the same symmetry of a pyramid with an equilat...
A prismatic symmetry of type D6 in this street lamp in Bergamo.
