Miroslav Malovec and Chuck Smith in the <a href="https://en.wikipedia.org/wiki/Esperanto_Museum_and_Collection_of_Planned_Languages" class="extiw" title="en:Esperanto Museum and Collection of Planned Languages">Esperanto Museum and Collection of Planned Languages</a> in <a href="https://en.wikipedia.org/wiki/Vienna" class="extiw" title="en:Vienna">Vienna</a> on September 24th, 2017.
<a href="//commons.wikimedia.org/wiki/User:Venca24" title="User:Venca24">Václav Zouzalík</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>