Buy this photo on Getty Images : Getty Images The mausoleum of Sheikh Safi, the dome of which is called "Allah-Allah" has an octagonal interior. The word Allah is all over the building in abstract forms and patterns. Sheikh Safi al-din Khānegāh and Shrine Ensemble in Ardabil was placed on the Unesco World heritage list in 2010. See where this picture was taken. [?] Submitted: 06/08/2019 Accepted: 06/08/2019 Published: - THAMES & HUDSON LTD (United Kingdom (Great Britain)) 12-Oct-2022