About the film
Walls of Fire is a 1971 American documentary film directed by Herbert Kline and Edmund Penney. Narrated by Ricardo Montalbán, this documentary examines the history of Mexican murals and their artists. Among the works examined are those by leading Mexican muralists José Clemente Orozco, Diego Rivera and David Alfaro Siqueiros.
It was nominated for an Academy Award for Best Documentary Feature. The documentary was also won a Golden Globe award for Best Documentary Film in 1972.
From the film's Wikipedia article (CC BY-SA 4.0).