Described as one of the more treacherous dive spots in the greater Athens area, authorities now believe that strong underwater currents likely dragged the diver into a narrow undersea tunnel, where he became trapped

The 34-year-old local man was diving at the spot with a partner - as is standard scuba protocol - just off the "Limanakia" (little harbors) site in coastal southeast Athens, when he failed to return to the surface

Later information solves 'mystery' of archaic-looking finds off Hersonnisos beaches

Ten shipwrecks, some dating back to 3000 BC, were discovered off the coast of Kasos in Greece following an underwater archaeological study.