Si-o-se-pol(33 bridge)
Allahverdi Khan Bridge (Persian: پل اللهوردیخان), popularly known as Si-o-se-pol (Persian: سیوسهپل, "the bridge of thirty-three spans"),is one of the eleven bridges in Isfahan, Iran.It is the longest bridge on the Zayanderud, with a total length of 297.76 metres (976.9 ft), and is one of the most famous examples of Safavid bridge design