<a href="https://en.wikipedia.org/wiki/ambigram" class="extiw" title="en:ambigram">Ambigram</a> <a rel="nofollow" class="external text" href="http://worase.com"><b>Worase.com</b></a>, <a href="https://en.wikipedia.org/wiki/Domain_name" class="extiw" title="en:Domain name">domain name</a> logo, rotational symmetry of 180 degrees. Black on white background. Animated GIF.
<a href="//commons.wikimedia.org/wiki/User:Basile_Morin" title="User:Basile Morin">Basile Morin</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>