
Una gota de agua
Una gota de agua
Una gota de agua Na spletu brezplačno HD. A drop of water is taken to a laboratory in San Juan, Puerto Rico to determine its purity. The film communicates scientific health information, such as the need to boil drinking water.
- Žanr: Dokumentarni
- Država: Puerto Rico
- Direktor: Jack Delano
- Igralci: Amílcar Tirado,