Explorers find the world's deepest shipwreck four miles under the Pacific
https://edition.cnn.com/travel/article/sammy-b-roberts-wreck-victor-vescovo/index.html
Some people expect that there would be treasure inside sunken shipwreck. But, the fact is that most of the shipwrecks were warships sunken by attack from enemies. So, there is no reason to bring treasure on these ships.
