The <a href="//commons.wikimedia.org/wiki/Torre_di_Pisa" class="mw-redirect" title="Torre di Pisa">Leaning tower of Pisa</a>
<a href="//commons.wikimedia.org/wiki/User:Samulili" title="User:Samulili">Samuli Lintula</a>
CC BY 2.5
<span class="int-own-work" lang="en">Own work</span>