The map of Milan on a Moebius strip
This interactive animation shows what happen if we imagine to identify two sides of the polygon represented by the sixteenth century map of Milan in order to get a Moebius strip.
The animation is on the CD matemilano.
© matematita
animazione di Gian Marco Todesco
The image belongs to the sections...:
Topology (Animations)
Further information:
http://matemilano.mat.unimi.it/