Apex International School - Mariana Trench, also called Marianas Trench, deep-sea trench on the floor of the western North Pacific Ocean. The Mariana Trench stretches for more than 1,580 miles (2,540 km)
Mariana Trench and Challenger Deep: 6 facts about the oceanic chasm | CNN
What Has Been Found in the Deep Waters of the Mariana Trench? | Discover Magazine
Geo explainer: Exploring the Mariana Trench - Geographical