Borromean rings
The coat-of-arms of the Borromean family on a facade of the Bivlioteca Ambrosiana, in Milan.
See also a detail.
© matematita
The image belongs to the sections...:
Decorations of walls and façades (Anthology of images)
Knots in the city and outside the city (Topology)
In the city center (From the exhibitions of matematita)