The bell tower of Saint Sophia Cathedral in Kiev 1699-1706. Interior of the dome and staircase. Look up at the ceiling from the second tier
<a href="//commons.wikimedia.org/wiki/User:George_Chernilevsky" title="User:George Chernilevsky">George Chernilevsky</a>
2018-05-12 13:08:53
<span class="int-own-work" lang="en">Own work</span>