A trefoil knot
A trefoil knot (if we attach the two ends in the right way…) on a capital in the courtyard of S.Ambrogio church, in Milan.
See also a detail.
© matematita
The image belongs to the sections...:
Knots in the city and outside the city (Topology)
Pillars, columns and capitals (Anthology of images)
S. Ambrogio (From the exhibitions of matematita)
