20 Hz
20 Hz
'20 hz' Cuevana 3 - Cuevana 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.
- Género: Terror
- País: United Kingdom
- Director: Chris Keller
- Actores: Alix Wilton Regan,