The mizzen mast of the <i>Kalmar Nyckel</i> at Chestertown, Maryland, USA
<a href="//commons.wikimedia.org/wiki/User:Acroterion" title="User:Acroterion">Acroterion</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>