Prosperi was already comfortable pushing boundaries at this time, having co helmed a series of controversial documentary Mondo films in the seventies, such as Goodbye, Uncle Tom and Africa.
此時的普羅斯佩裡已經能自如地突破界限,他曾在70年代聯合執導了一系列有爭議的蒙多紀錄片,如《再見,湯姆叔叔》和《非洲》。