Full title reads: "THEY LEARN UNDER FIRE".
United States of America (USA).
Various shots of the U.S. Army cadets in training at American base. The men dive as bombers fly over and release chalk bombs. The men get covered in chalk but it is all part of realism in training.
Two yachts racing at sea.
A glimpse inside the illuminated caves of Oregon.
3,000,000 volts of electricity spark off a huge rod.
President-elect Herbert Hoover visits South America.
A look at U.S. polo players practising for the Cup.
Terrible fire in the wooden city of Colon in Panama.
Scenes of flooded towns in South America.
Ecuador forges final rail link between its capital Quito and the Pacific.