Grass (1925 film)
Grass A Nations Battle for Life 1925 is a silent documentary film which follows a branch of the Bakhtiari tribe of lurs in Iran as they and their herds make their seasonal journey to better pastures. It is considered one of the earliest ethnographic documentary films. It was written by Richard Carver and Terry Ramsaye.
In 1997, Grass was selected for preservation in the United States National Film Registry by the Library of Congress as being culturally, historically, or aesthetically significant.In 2009, author Bahman Maghsoudlou published his book Grass Untold Stories detailing background information and historical references related to the making of the movie. ........
Source: Wikipedia