It's shocking just how much seawater will corrode steel. If you look at pictures of shipwrecks like the Lusitania and Titanic they've degraded a lot since they

It's shocking just how much seawater will corrode steel. If you look at pictures of shipwrecks like the Lusitania and Titanic they've degraded a lot since they were first dived to in the '60s and '80s respectively. The former barely even resembles a ship now.