The legend says that King Ravana dug the abyss of Rawana near the Koneswaram Kovil in Trincomalee, with his sword because he was frustrated by Lord Koneswara's refusal to his request for sivalingam (Hindu phallic symbol)
<bdi><a href="https://www.wikidata.org/wiki/Q97949455" class="extiw" title="d:Q97949455"><span title="French photographer and Wikimedian">Pierre André Leclercq</span></a>
</bdi>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>