The Baltic Sea anomaly sonar image was taken by Peter Lindberg, Dennis Åsberg, and their Swedish OceanX diving team.
Notes on verification
Confirmed by Wikipedia and multiple independent sources including Fox News and NBC News, which predate the Wikipedia phrasing, supporting the claim's accuracy.
Sources
- Baltic Sea anomaly (en.wikipedia.org)
- https://www.discoveryuk.com/mysteries/the-baltic-sea-anomaly-natural-formation-or-alien-artefact/ (discoveryuk.com)
- https://www.foxnews.com/science/swedish-scientists-reveal-findings-of-deep-sea-alien-hunt.amp (foxnews.com)
- https://www.imdb.com/title/tt5771486/ (imdb.com)
- https://explorersweb.com/is-the-baltic-sea-anomaly-natural-man-made-a-hoax-we-explore-the-possibilities/ (explorersweb.com)
- https://www.nbcnews.com/news/amp/wbna48844496 (nbcnews.com)