<a href="//commons.wikimedia.org/wiki/User:Pavlo_Shevelo" title="User:Pavlo Shevelo">Pavlo Shevelo</a> (on the left) - unofficial leader of the meetup.
<a href="//commons.wikimedia.org/wiki/User:Amakuha" title="User:Amakuha">Amakuha</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>