russian tandem.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/51279114@N03">valeriy osipov</a>
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/osipovva/4771126475/">skolkovo (skolkovland)</a>