A manhole C6
If we ignore the central hole (and the leaf, and also something else…), this manhole cover photographed in Ivoire (on the French side of lake Lemano) represents an example of rosette with cyclic symmetry of type C6.
© matematita
foto di Giulio Caiati
The image belongs to the sections...:
6. (C6) (Symmetry)
Drains and manhole covers (Anthology of images)
Drains and manhole covers (Symmetry)
