General view of the mosque of Ibn-Tulun from the North-East.
The furthest westerly evidence of the spread of the Abbasid imperial style
in its decoration, its construction material, and its minaret,
this mosque is perhaps the most serene structure in Cairo. It is distinguished
by its brick piers with four engaged brick columns on the four sides (a combination
of eastern and western influences), its angularly spiralling minaret, and
its ziyadas, or open extensions which ring it on three sides and work as buffers
between the streets' bustle and the religious space inside.