Dieter Rooke, member of Esperanto-Society Zurich during a meeting in Berne/Dieter Rooke de Esperanto-Societo Zuriko dum renkontigho en Berno
<a href="//commons.wikimedia.org/wiki/User:DidiWeidmann" title="User:DidiWeidmann">DidiWeidmann</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>