Continental shelf
<ul><li><a rel="nofollow" class="external free" href="http://www.onr.navy.mil/Focus/ocean/regions/oceanfloor2.htm">http://www.onr.navy.mil/Focus/ocean/regions/oceanfloor2.htm</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:Continental_shelf.png" title="File:Continental shelf.png">File:Continental_shelf.png</a></li></ul>