walkway and arched walls on si-o-se pol (bridge of 33 arches or allahverdi khan bridge) on zayanderud in isfahan

allah verdi khan allahverdi ancient arch architecture attraction bridge building capital culture destination esfahan heritage historic historical history iconic iran iranian isfahan islamic ispahan landmark masterpiece old outdoor persia persian pol river safavid si-o-se-pol symbol symbols vector tourism tourist travel zayande rud zayandehrud zayanderud