Showing the anti-fouling and propeller.
<a href="//commons.wikimedia.org/wiki/User:Samwilson" title="User:Samwilson">Sam Wilson</a> (taken with <a href="//commons.wikimedia.org/wiki/Category:Taken_with_Panasonic_Lumix_DMC-FT1" title="Category:Taken with Panasonic Lumix DMC-FT1">Panasonic Lumix DMC-FT1</a>)
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>