Since June last year, the strange shape at the bottom of the Baltic Sea has caused so much speculation.
Sonar pictures showed a massive, metallic cylinder with a 60 metre diameter and a 400 metre-long tail resting about 300 feet below the Baltic Sea – and no-one knows what it is.
It must be man-made, or a sonar anomaly – the alternative, perhaps, is that it comes from a universe far, far, [...]
