In the story of The Two Gods, there was mentioned a spot called The Mariana Trench. It was the location where one of the Gods lived. Mariana Trench is the deepest part of the ocean and the deepest location on earth. It’s depth is about 12,000 meters (12 km) .
Source : https://en.wikipedia.org/wiki/Mariana_Trench
The style of animation would be for kids (for example)