One of several "Do not eat the swans" signs beside a lake in Newark-on-Trent, Nottinghamshire
<a rel="nofollow" class="external text" href="https://www.geograph.org.uk/profile/1904">Richard Croft</a>
CC BY-SA 2.0
From <a rel="nofollow" class="external text" href="https://www.geograph.org.uk/photo/936904">geograph.org.uk</a>