During the past century with the advent of sonar and better diving equipment, numerous underwater anomalies have been discovered, but many are still not solved.
5 Strange Underwater Mysteries We Still Can't Explain
During the past century with the advent of sonar and better diving equipment, numerous underwater anomalies have been discovered, but many are still not solved.
Tags :
Ancient Aliens,
Baltic Sea Anomaly,
Mysteries,
UFO,
Underwater,
Video,
Yonaguni Monument