If we take this map of Milan of the sixteenth century (whose shape is similar to a decagon), we can imagine to identify a couple of sides in order to get a Moebius strip. Exhibit of matemilano , in the section "Topology", realized by Gianni e Stella Miglietta, with the cooperation of Meyko Yokoyama.
See also fantamilano in "Further information".
© Gianni e Stella Miglietta
foto di Gianni e Stella Miglietta