<a href="https://en.wikipedia.org/wiki/ambigram" class="extiw" title="en:ambigram">Ambigram</a> <a href="https://en.wikipedia.org/wiki/Two_in_one" class="extiw" title="en:Two in one"><b>Two in One</b></a>. 180° rotational symmetry. Animated logo (74 frames).
<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>