Dome of the Madrasa-Tomb of Gawhar al-Qanaqba'i, from 1440, built in 1440, at al-Azhar Mosque.
<a href="//commons.wikimedia.org/wiki/User:Robert_Prazeres" class="mw-redirect" title="User:Robert Prazeres">Robert Prazeres</a>
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<span class="int-own-work" lang="en">Own work</span>