You're referring to the infamous 1980 Italian horror film "Cannibal Holocaust," directed by Ruggero Deodato. Here are some interesting features related to the topic:

: The film's graphic content was notorious, featuring scenes of rape, torture, and dismemberment. The infamous "monkey scene," in which a monkey is brutally killed, was particularly disturbing and sparked outrage among critics and audiences.

These are just a few of the interesting features related to "Cannibal Holocaust." The film remains a notorious and influential work in the horror genre, known for its graphic content, realistic style, and cult following.

: The film's graphic content led to urban legends and rumors about its authenticity. Some viewers believed that the film was actually a snuff movie, and that the actors had been killed or injured during the production. These rumors have been debunked, but they add to the film's notorious reputation.

: Despite (or because of) its notorious reputation, "Cannibal Holocaust" has influenced many other films, TV shows, and music videos. The film's aesthetic and themes have been referenced in works like "The Texas Chain Saw Massacre" (1974), "The Blair Witch Project" (1999), and "Green Inferno" (2013).

: The film was banned in several countries, including Australia, Italy, and the UK, due to its graphic and disturbing content, which was deemed too intense for audiences. The film's raw and unflinching depiction of violence, including scenes of cannibalism, torture, and murder, sparked heated debates about censorship and the limits of on-screen violence.

: Ruggero Deodato, the director of "Cannibal Holocaust," intended to create a film that would critique the exploitation of violence in movies and the sensationalism of the horror genre. He wanted to push the boundaries of what was considered acceptable on screen and to create a sense of realism that would disturb audiences.

: Despite its controversy and censorship, "Cannibal Holocaust" has gained a cult following over the years. The film is now recognized as a horror classic, and its influence can be seen in many other films and media.

: "Cannibal Holocaust" was one of the first films to employ a found footage style, which would later become popular in horror movies like "The Blair Witch Project" (1999). The film's use of handheld camera work, natural lighting, and real-time violence created a sense of realism that was unsettling for audiences.