Stock Photo: Diver, preparing for subglacial diving, ice diving, in the frozen Black Sea, a rare phenomenon, last time it occured in 1977, Odessa, Ukraine, Eastern Europe

Stock Photo: 1848-722795 Diver, preparing for subglacial diving, ice diving, in the frozen Black Sea, a rare phenomenon, last time it occured in 1977, Odessa, Ukraine, Eastern Europe