August 7, 2021 - 18:47. TEHRAN – Ancient Susa is one of Iran’s most treasured sights. The UNESCO-designated city, now flanked by the modern city of Shush, formerly belonged to the Elamite, Persian, and Parthian empires. Situated in the lower Zagros mountain range, around 250 kilometers east of the Tigris river and between the Kharkeh and ...