When I went to the museum about 4 or 5 years ago, I remember someone telling me that part of what helped was also the amount of trash that had been thrown into the fjord over the centuries, which created an anoxic environment down the bottom of the water.
LiTMac t1_ixcxvwt wrote
Reply to comment by toyyya in Ancient shipwreck sees light of day again, a major milestone for Chinese underwater archaeology by IslandChillin
When I went to the museum about 4 or 5 years ago, I remember someone telling me that part of what helped was also the amount of trash that had been thrown into the fjord over the centuries, which created an anoxic environment down the bottom of the water.