A view of the staircase towards the ceiling in the Rashid Diab Arts Centre in Khartoum-Riyad, Sudan.
<a href="//commons.wikimedia.org/wiki/User:RomanDeckert" title="User:RomanDeckert">RomanDeckert</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>