Archaeologists from the Archaeology Institute and the museum of central province of Khanh Hoa have discovered more than 2,000 objects dating back to 2,000-2,500 years ago at the Vinh Yen archaeological site in Van Ninh District.
They included 2,000 stone tools, 24 metal objects like coins and bells, 190 ceramic objects like vases, bowls and pots, and more than 10 tonnes of pottery.
In excavations between July and December 2009, the archaeologists also found six tombs and 17 graves.