Drone prohibition sign, Glastonbury Festival site 2016.
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/34413323@N00">neal whitehouse piper</a> from South West Great Britain, United Kingdom
CC BY-SA 2.0
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/whiper/27042313534/">No drone sign #Glastonbury Festival site 2016</a>