The Baltic Sea anomaly is a 60-metre (200 ft) circular rock-like formation on the floor of the Baltic Sea, discovered by Peter Lindberg, Dennis Åsberg and their Swedish "Ocean X" diving team in June 2011. The team reported that the formation rests on a pillar and includes a structure similar in appearance to a staircase, leading to a dark hole. Commentators have suggested that the structure could be a World War II anti-submarine device, a battleship gun turret, sediment dropped by a fishing trawler, or a flying saucer. Several experts have stated that it is most likely a natural geological formation. Discovery The discovery was made on June 19, 2011 by the Swedish based "Ocean X Team" during a dive in the Baltic Sea between Sweden and Finland while searching for an old shipwreck. The group describes themselves as treasure hunters and salvage operators who specialize in underwater searches for sunken "antique high-end alcoholic beverages and historic artefacts". In March 2012, Ocean X formalized a partnership with entertainment producers Titan TV to produce a TV documentary series and documentary film. Description According to Ocean X, the formation has an appearance of "rough granite", is round, 3 to 4 metres (9.8 to 13.1 ft) thick and approximately 60 metres (200 ft) in diameter, stands on an 8-meter (26 ft) tall pillar-like feature, and is located at a depth of 85 to 90 metres (279 to 295 ft). There is also another smaller object not far away. The object is at the end of what resembles a 300-metre (980 ft) "runway". The Ocean X team has published one additional close-up sonar scan on their Web site and nine additional close-up sonar scans on their YouTube page that appear to show a 90-degree angle and other features of the object. On their second expedition, they reported that they found something that looks like a staircase and a round black hole that goes directly into the structure. UFOlogists Some ufologists have claimed the formation is an alien ship.

• published: 22 Jun 2014
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