The operation was carried out in Poland
underwater
Six volunteer technical divers from the Ghost Diving organization dived to remove the fishing gear that was covering the submarine
Imperial secrets
It had been plunged into a stone... Does it ring any bells?
The survey is ongoing
Earth's crust is literally tearing apart to form this volcanic seascape
Researchers say the observatory of two racks weighing 550kg & 220kg, was far too heavy to have been dragged away by an animal or swept up by currents
Tamu Massif, located east of Japan, was thought to be the largest volcano on the planet
The excavation was carried out by the Ephorate of Underwater Antiquities and archaeologist Dimitris Kourkoumelis
A dangerous dive from the safety of your home...