this is part of the bow on a broken ship that is broken and separated by the ship's body. the bow condition of this shipwreck has been corroded, overgrown with various types of corals and the remaining iron frame that can be found.
<a href="//commons.wikimedia.org/wiki/User:Dwi_sumaiyyah_makmur" title="User:Dwi sumaiyyah makmur">Dwi sumaiyyah makmur</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>