Mondo Cane (Uncut Version) (1962)

aka's: Mondo Cane No. 1/
Tales Of The Bizarre: Rites, Rituals And Superstitions/A Dog's Life

A “shockumentary” consisting of a collection of mostly real archive footage displaying mankind at its most depraved and perverse, displaying bizarre rites, cruel behavior and bestial violence. (Uncut).