On June 19th, 2011 a Swedish diving team, had returned from an expedition in the Baltic Sea between Sweden and Finland with a "blurry" sonar image. The image shows a strange object on the floor of the northern Baltic Sea. the 60-metre diameter object appears to have features that resemble ramps, stairways, and other structures not produced by nature...

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Music:
Consequence - Wonders by Kevin MacLeod

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