Edward Yang, 1991. Four-hour Taiwanese teenage-gang epic of 1960. Often cited as cinema's most-perfect film.
From Wikipedia
A Brighter Summer Day is a 1991 Taiwanese epic crime drama film directed by Edward Yang, associated with the New Taiwanese Cinema. Its English title is derived from the lyrics of Elvis Presley's 1960 rendition of "Are You Lonesome Tonight?". Set in the late 1950s and early '60s, the film centers on Hsiao Si’r, a boy from a middle-class home who veers into juvenile delinquency.