The Mary Rose was a 16th century English Tudor worship that capsized off the Isle of Right and was raised up in the 1970s. The Vassa is a Swedish worship that sank in the Stockholm harbor on its maiden voyage in 1628. There are a lot of conservation issues, even if you manage to raise the funds to raise the ship. Some shipwrecks don't have a lot of marine life growth on it. They're not having a big ecological impact. And then some are just like, no, it's doing more good where it is.