Answer
**Answer**: "Blow-up" is known as "Las babas del diablo" in Spanish. The title refers to a scene in which a photographer believes he has captured a murder on camera, alluding to the devilish nature of the incident. The film explores themes of voyeurism, reality, and art, delving into a character's personal and psychological struggles as he grapples with the concept of truth in an increasingly complex and ambiguous world.