At the exhibition matemilano
From a photo of hung knots in the section "Topology" of the exhibition matemilano at the Museum of Science and Technology in Milan, September 2003- May 2004.
© matematita
elaborazione grafica di Giovanna Angelucci (da una foto di Sabrina Provenzi)
The image belongs to the sections...:
Images from the topology section (From the exhibitions of matematita)
Further information:
http://matemilano.mat.unimi.it