The Tang-e Showgan gorge seen from the site of the ancient sasanian city of Bishapour, builded by Emperor Shapur Ist, 3rd century CE. 2 fortifications used to kep the access of the gorge, builded on each cliff boearding the natural path: the Khale-ye Dokhtar (Virgin's fortress) on the right cliff, and a little one localy known as Khale-ye Pessar (The young man's fortress). 6 sassanian rock reliefs are carved in the valley were flows the Rud-e Shapur (Shapur's river).
Taken at Bishapour, Viscinity of Kazerun, Fars province, Iran, April 2007.