Twenty Thousand Leagues Under the Sea as an inhabitant of British Colonial India, "is an inhabitant of an oppressed country". Verne took the name "Nautilus" from one of the earliest successful submarines, built in 1800 by Robert Fulton, who later invented the first commercially successful steamboat. Fulton's submarine was named after the paper nautilus because it had a sail. Three years before writing his novel, Jules Verne also studied a model of the newly developed French Navy submarine "Plongeur" at the 1867 Exposition Universelle, which inspired him for his definition of the "Nautilus". The breathing apparatus used by "Nautilus" divers is depicted as an untethered version
20,000 Leagues Under the Sea (Tokyo DisneySea) in a detour into an unknown world. The place where the guests end up was a world of Atlantis where mermen live. They had evolved their own in a place close to the center of the earth. The submarine was boosted by the mysterious power of the mermen, and was able to return to the base safely. This attraction's concept is similar to Disneyland's Submarine Voyage and Magic Kingdom's distinguished attraction . However, this ride does not go through real water; instead, several effect including bubbles in the window or the movements are added. 20,000 Leagues Under the Sea (Tokyo