The clocks of <a href="https://en.wikipedia.org/wiki/Big_Ben" class="extiw" title="en:Big Ben">Big Ben</a> in London, United Kingdom.
<a href="//commons.wikimedia.org/wiki/User:0x010C" title="User:0x010C">0x010C</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>