The music video for Michael Jackson's Thriller has been added to a national register in the US, which called the mini movie a cultural treasure.
Filmed in 1983, the 14-minute horror-themed video sees Jackson perform a dance routine with a group of zombies after going on a date and turning into a zombie himself.
Directed by John Landis, the movie was described by the Library of Congress as a "lavish production" that "revolutionized the music industry".
Jackson was well known for filming lengthy music videos and once adopted the guise of an elderly white man for a dance routine in the video for Ghosts from the star's Blood on the Dance Floor album.
The Library of Congress has added 25 films to the register every year since 1989 and the 2009 additions include movies ranging from 1911 to 1995.
Dog Day Afternoon, Directed by Sidney Lumet in 1975, William Wellman's The Story of G.I. Joe from 1945 and James Frawley's 1979 version of The Muppet Movie were also included on this year's list.
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