Pitts Special S-1 (OH-XPA) and Ultimate 10-300S (OH-XSF) taking off at Tour de Sky 2014 in Oulu.
<a href="//commons.wikimedia.org/wiki/User:Estormiz" title="User:Estormiz">Estormiz</a>
<span class="int-own-work" lang="en">Own work</span>