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The soles of these flip flops provide an example of the crystallographic group 4*2. Detail...
La fila di bicchieri forma un fregio con simmetria di tipo *∞∞. Chiaramente tale simme...
The Taj Mahal (1631-1653) in Agra (India).If we could unroll the decoration of the minaret...
In the town of Porto, in rua das Oliveiras, this paving has a scheme of symmetry of type 2...
A prismatic symmetry (with just one plane of symmetry) characterizes most of these instrum...
Symmetry tricks between this bridge and its reflection in the water in Iran.
The decoration of a false window in a room at the Alhambra (XIV-XV century, Granada, Spain...
A manhole cover in Paris with cyclic symmetry, of type C12.You can see an other one.
Unicellular alga covered in silica. The photo of this diatom seen under an optical microsc...
A bicoloured stella octangula in the kaleidoscope of the tetrahedron: the symmetry group o...
