Mariana Trench: What Really Exists 11 KM Below the Ocean?

🎥 **National Geographic Video** 📌 **Mariana Trench: What Really Exists 11 KM Below the Ocean?** 📺 Channel: Shivan Decode 📖 The Mariana Trench is the deepest known part of Earth's oceans — nearly 11 kilometers beneath the surface. But reaching the ... 🔗 Watch full video: https://www.youtube.com/watch?v=jzyAHsYqUm8 Stay connected with Tolee for daily video updates across NASA, Discovery, National Geographic, Science, Education, Documentary, History, Space, Animals, Technology, and Kids Education!