"The Baltic sea anomaly is a 60 meter(200ft) circular rock-like formation on the floor of the Baltic sea discovered by Peter Lindberg Dennis Asberg and their Swedish Ocean diving team in June 2011." image uploaded on Feb. 10, 2020, 9:36 a.m. | Damadam
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M  : The Baltic sea anomaly is a 60 meter(200ft) circular rock-like formation on - 
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