Answer:
Although Titanic's main characters Rose and Jack were entirely fictional, thus there was no such romance between a first-class woman and a third-class man, they were inspired to an extent by some real-life people, though Rose's inspiration has no connection to the Titanic.
Explanation:
Science
or some might say beauty or cosmetic field
Dome.
Pitched brick barrel vault.
Barrel vault.
Groin vaults.
Rib vault.
Fan Vault.
Hyperbolic paraboloids.
