«Middle Duet» (esquize par <a href="https://en.wikipedia.org/wiki/Yuri_Khanon" class="extiw" title="en:Yuri Khanon">Yuri Khanon</a>, <a href="//commons.wikimedia.org/wiki/Saint-Petersburg" class="mw-redirect" title="Saint-Petersburg">Saint-Petersburg</a>, 24 nov 1998).
Photography &amp; Graphics: canonic <a href="//commons.wikimedia.org/wiki/Yuri_Khanon" title="Yuri Khanon">Yuri Khanon</a>
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>