A knot on the paving of the Galleria, in Milan.
The image has been used at the exhibition matemilano.
© Sabrina Provenzi
foto di Sabrina Provenzi
The image belongs to the sections...:
Decorations of floors (Anthology of images)
Photos of the city (From the exhibitions of matematita)
The Gallery (From the exhibitions of matematita)
Knots in the city and outside the city (Topology)