The man is taking part in traditional fertility ritual during the Chuvash festival "Akatuj" held in Saint Petersburg, Russia, by the Сhuvash diaspora
<a href="//commons.wikimedia.org/w/index.php?title=User:Zakharov.o&amp;action=edit&amp;redlink=1" class="new" title="User:Zakharov.o (page does not exist)">Zakharov Oleg</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>