Encrusted with tiny shells and smelling strongly of the sea, a 2,400-year-old Greek jar lies in a saltwater bath in Durres Museum, on Albania's Adriatic coast. Part of a sunken shipment of up to 60 ceramic vessels, the 67-centimeter (26-inch) storage jar, or amphora, was the top find... Launched in July, the month-long survey was the first step in compiling an underwater cultural heritage map that could eventually plot the position of sunken fleets from ancient and mediaeval times believed to lie along Albania's 360-kilometer (220-mile) coastline... The light-brown clay amphora, probably used to store wine or oil, was found...