Results 1 results found Aerial photography of an esker, a sandy ridge formed by subglacial deposits of sediment in the last Ice Age, in Manitoba, Canada, North America Diver, subglacial diving, ice diving, in the frozen Black Sea, a rare phenomenon, last time it occured in 1977, Odessa, Ukraine, Eastern Europe Preparations for subglacial diving, ice diving in the frozen Black Sea, a rare phenomenon which last occured in 1977, Odessa, Ukraine, Eastern Europe Vatnajoekull Glacier and glacial stream, Iceland, Atlantic Ocean Melting water stream on Vatnajoekull Galcier, Iceland, Europe