20 Hz
20 Hz
Sledujte 20 Hz online zadarmo HD. Human hearing is capable of detecting sound waves between 20 and 20.000 Hz. … merely a small fraction of the frequency spectrum. Most sounds around us go unnoticed.
- Žáner: Horror
- Krajina: United Kingdom
- Riaditeľ: Chris Keller
- Herci: Alix Wilton Regan,