Back In 2011
![](https://images.upbeatnews.com/posts/4094/UFO002-1024x682.jpg)
Deep-sea exploration team Ocean-X were doing a deep dive in the Baltic Sea back in 2011. They ended up detecting a weird formation 300 feet below the surface…
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Deep-sea exploration team Ocean-X were doing a deep dive in the Baltic Sea back in 2011. They ended up detecting a weird formation 300 feet below the surface…
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