Undersea Athenian naval base at Piraeus uncovered

The Zeaharbour Project that spent ten years in undersea excavation of the ancient military naval base of Piraeus has uncovered the enormous shipyard - one of the biggest complexes in the Ancient world - that housed hundreds of triremes used to defeat the Persian fleet in the 5th century BC. See a summary here:

http://www.livescience.com/55142-ancient-greek-naval-base-found.html

And more detailed article here:

http://www.carlsbergfondet.dk/da/Forskningsaktiviteter/Forskningsprojekter/Andre-forskningsprojekter/Zeaharbourproject