Introduction to the Vasa battleship: The Vasa battleship is a warship with 5 decks, with a length of 62 meters, a width of 12 meters, a mainmast of 52 meters, a total sail area of ​​1275 square meters, and 64 guns. There are 445 sailors and soldiers in total, with a displacement of 1,300 tons. The Vasa battleship is not only the oldest and best-preserved battleship salvaged in the world, but also a huge art treasure house.