1: Scientists make groundbreaking discovery of a massive ocean 700 km beneath Earth's surface.

2: This ocean, hidden for centuries, holds 3 times the water of all oceans on Earth.

3: Beneath the Earth’s crust lies a reservoir of water bigger than any ocean.

4: Researchers use seismic waves to uncover this vast ocean deep within the Earth.

5: This ocean challenges our understanding of Earth's composition and water distribution.

6: Exploring this mysterious ocean may shed light on Earth's formation and evolution.

7: The discovery of this ocean opens up new possibilities for scientific research.

8: Understanding this gigantic ocean could have significant implications for our planet's future.

9: Scientists are excited to delve deeper into this hidden world beneath our feet.

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