Khor Rori, the site of the ancient fortified port city of Sumhuram, was abandoned in the 5th century most likely due to the formation of the sandbar blocking the estuary.
<a href="//commons.wikimedia.org/wiki/User:Richard_N_Horne" title="User:Richard N Horne">Richard N Horne</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>