The mystery of the Baltic Sea Anomaly has been uncovered with a simple solution despite continuing theories that it is a crashed UFO.
Treasure hunters discovered the strangely-shaped object, which bears a striking resemblance to the fictitious Star Wars Millennium Falcon, in June 2011.
The Anomaly, measuring about 70m long, appeared on a side-scan sonar whilst the adventurous Ocean Explorer team were diving to find old shipwrecks in the waters between Sweden and Finland.