What is "zibahkhana"

Zibahkhana (English: Slaughterhouse (literal meaning), Hell's Ground (English title)) is a 2007 Urdu-English slasher film directed by Omar Khan. It premiered at the NatFilm Festival in Denmark and has been screened at festivals all over the world including Toronto, New York City, London, Neuchatel, Stockholm, Cape Town, Austin, Philadelphia, Cambridge, Puerto Rico, Sitges, Valencia, Oslo, and Helsinki. The film passed censors in Pakistan (with 9 seconds cut) and became the first non 35mm, HDV feature film released in Pakistan cinema history. It also holds the distinction of being shot in 30 days.