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Luis Buñuel, the renowned Spanish-Mexican filmmaker, collaborated with Silvia Pinal on a trilogy of critically acclaimed films: "Viridiana" (1961), "The Exterminating Angel" (1962), and "Simon of the Desert" (1965). These films explored themes of religion, morality, and social critique, and showcased Pinal's versatility as an actress. The trilogy cemented Buñuel's reputation as a master of surrealism and satire, while also establishing Pinal as a leading figure in Mexican cinema.