The biggest hit at the Korean box office this week was not the Hollywood blockbuster "Interstellar" or the big budget Korean film "Big Match."

The film that topped the charts was the documentary "My Love, Don't Cross The River." The touching film documents an elderly couple's 76-year marriage, which ends with the husband's death. The film's message is that love can endure.

Choi Kying Mi, who works for the film's public relations company, Creative Communication, described the film as a "story of love, a real one that lasted for a lifetime."

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