The ancient Lavrio mines in Greece, which were so rich in minerals that their exploitation made possible the rise of Athens as a naval power, are revealed in a recent documentary. The film shows the labyrinth of underwater tunnels in their now-flooded shafts. Greek scuba divers Errico Kranidiotis and Stelios Stamatakis, who have pooled their […] Read the full story on GreekReporter.com.