The Mevlevi Sufi dervish hall (samakhana or semahane) in the Madrasa of Amir Sunqur Sa'di (Mausoleum of Hasan Sadaqa), now part of a Mevlevi Museum in Cairo.
<a href="//commons.wikimedia.org/wiki/User:R_Prazeres" title="User:R Prazeres">R Prazeres</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>