Public urination.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/modifiedenzyme/">Modified Enzyme (Ivan Oyarzun)</a>
CC BY 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/modifiedenzyme/284236992/"><i>Its potty time</i> (Flickr)</a>