Archaeologists excited by "well-preserved" necropolis discovered in Narbonne Archaeologists discovered a Roman necropolis of nearly 5,000 square meters in size that could house up to a thousand graves in Narbonne. It has been exceptionally well-preserved, says one expert "because the floods of the Aude River covered the tombs and circulated the silt levels, which preserved the tombs". IMAGES AND SOUNDBITES