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Due uccelli e i loro riflessi, a St Maries de la mer, in Camargue (Francia).
The feather of a peacock provides an example of dihedral symmetry of type D1.
A heap of leaves. Some leaves evoke a dihedral symmetry of type D1.
A flower of Plumeria acuminata, an ornamental succulent plant. The photo shows a rough cyc...
A seed of pea (Pisum sativum), a plant belonging to the family of the Papilionaceae. If we...
A crystal of flourite, that has the shape of a regular octahedron.The image appears in the...
Plant with a succulent trunk with photosynthetic function and leaves transformed in thorns...
The footprints we make by walking on a beach are the most natural example of a frieze of t...
Unicellular alga covered in silica. The photo of this diatom seen under an optical microsc...
