<a href="https://en.wikipedia.org/wiki/EBACE" class="extiw" title="en:EBACE">EBACE</a> 2019, <a href="https://en.wikipedia.org/wiki/Palexpo" class="extiw" title="en:Palexpo">Palexpo</a>, Switzerland
<a href="//commons.wikimedia.org/wiki/User:MB-one" title="User:MB-one">Matti Blume</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>