A fountain
In Streiter street, in Bolzano, near the fish market, this fountain has a central element which is a braid with two threads, exactly the same as the central element of a bretzel.
This example has been used in one of the ten signposts of the MIC project "Maths in the city".
© matematita
The image belongs to the sections...:
The spots shown in the maths signposts (Exhibitions with matematita)
Braids (Topology)
Further information:
http://www.matematicaincitta.bz.it/
