Billard pool.<br>Pool in Groningen
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/20524322@N00">Mark</a> from Woking, United Kingdom
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/20524322@N00/9115632">Flickr</a>