A tracked <i>Robo Flail</i> remote-controlled mower fitted with a lawn mower deck (it's not a <a href="//commons.wikimedia.org/wiki/Category:Robotic_lawn_mowers" title="Category:Robotic lawn mowers">robotic lawn mower</a>, to be precise). Photo taken somewhere in the United Kingdom. – "We have an ancient mound in our local park with steep grassy sides, and I often wondered how they managed to keep it mown.  Well, the other day I saw how!  A man with a remote control, guiding a robot mower.  Note its caterpillar tracks for a better grip.  I want one!"
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/86426405@N00">Caroline</a>
CC BY 2.0
<a href="//commons.wikimedia.org/wiki/Flickr" class="mw-redirect" title="Flickr">Flickr</a>: <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/86426405@N00/6038867030">grass cutting robot</a>