Unsichtbare Brücken
Unsichtbare Brücken
Assistir unsichtbare brücken Pobre TV. In the broadcasting center of a radio station, visitors are informed in a kind of educational course about how "electric waves" are generated and how they are converted into sounds that can then be heard on the radio.
- Gênero: Documentário
- País: Germany
- Diretor: Hans Fritz Wilhelm
- Atores: Rolf Gert, Alfred Stratmann,
