This short film, probably commissioned by the Hidro-Eléctrica do Cávado, shows several aspects of the dams’ network construction in that hydrographic basin, with a commentary read by Fernando Pessa. “Do céu ao rio” was premiered at the Odéon cinema in Lisbon, on January 29, in 1964, but it is in a more fragile heritage situation since its original image negative is not located.

Reflecting the filmmaker's passion for automobiles, who in his youth participated in car races, the film portrays the attempt to manufacture a new model in the Ford factory in the city of Porto.

The film exhibited the community and the beach, "how I new and it was shown to me" (Manoel de Oliveira) by the Meneres family, that had a house in Miramar. The film is currently lost.

A series of images documenting the floods of the river Tagus. This film has been recovered and made available by the Cinemateca Portuguesa.