The movie that Clara takes her children to see is Doctor Zhivago (1965) which is over three hours long.
L'immensità (2022) (The Immensity) is an Italian-French drama film directed by Emanuele Crialese, who co-wrote the screenplay with Francesca Manieri and Vittorio Moroni. It stars Penélope Cruz, Luana Giuliani and Vincenzo Amato. An international co-production between Italy and France, the film follows a dysfunctional family in Italy in the 1970s.