DIRECTOR: Georges Franju
PRODUCTOR: Fred Orain
GUIÓN: Georges Franju
MÚSICA: Jean Wiener
FOTOGRAFÍA: Jacques Mercanton
MONTAJE: Roland Coste
REPARTO: Ray Salyer, Gorman Hendricks, Frank Matthews, George L. Bolton.
ARGUMENTO: The planet is filled with dust and particles of all kinds, natural or originated by man. Such a state of things has of course a great many consequences for public health, with diseases like silicosis, inherent in various human activities, some of which are detailed (farming, notably the treatment of flax; industrial activity, particularly porcelain and cement work, coal mining).
Subtítulos en castellano en descarga directa: http://www.subdivx.com/X6XNDE1NjAyX-les ... -1953.html