Various types of spiral staircases

Name: Spiral staircase in Golestan Kaus dome
Address: Golestan province, Gonbad Kavos city, South Imam Khomeini St., corner of Ostad Shahryar St, Golestan province, Gonbad Kavos city, South Imam Khomeini St., corner of Ostad Shahryar St, Gonbad-e Qabus
Price range: $$$

Spiral staircase in Golestan Kaus dome

Domed spiral staircase