Una gota de agua
Una gota de agua
Una gota de agua no Megacine. 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.
- Gênero: Documentário
- País: Puerto Rico
- Diretor: Jack Delano
- Atores: Amílcar Tirado,
