Perfectly Preserved Ancient Shipwrecks Discovered in Depths of Black Sea's Dead Zone

Dozens of old ships lie preserved in low-oxygen waters off the coast of Bulgaria, where ships from the Roman Empire, Byzantium and Ottoman ports once docked.
Roman ship 2
Perfectly Preserved Ancient Shipwrecks Discovered in Depths of Black Sea's Dead Zone Black Sea MAP/EEF Expeditions
Professor Jon Adams
Professor Jon Adams dives in the Black Sea. Black Sea MAP/EEF Expeditions