The Baltic Sea Anomaly refers to interpretations of an indistinct sonar image taken in June 2011 by Peter Lindberg, Dennis Asberg and their Swedish treasure hunter group named “Ocean X.” It was discovered on the floor of the Northern Baltic Sea at the centre of the Bothnian Sea. For its strange appearance, the Baltic Sea Anomaly has caused debates on what it could be. https://amzn.to/3OsvJI6 | Annunaki History

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