One of the amphibious vehicles used by the mussel growers of the Baie du mont Saint-Michel, Ille-et-Vilaine, France.
<a href="//commons.wikimedia.org/wiki/User:Pline" title="User:Pline">Pline</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>