The dome of <a href="https://en.wikipedia.org/wiki/Florence_Cathedral" class="extiw" title="en:Florence Cathedral">Florence Cathedral</a>, seen from the <a href="https://en.wikipedia.org/wiki/Giotto%27s_Campanile" class="extiw" title="en:Giotto's Campanile">Bell Tower</a>.
<a href="//commons.wikimedia.org/wiki/User:Sailko" title="User:Sailko">sailko</a>
CC BY 2.5
<span class="int-own-work">Self-photographed</span>