Hijjah 13, 1431H, Nov 19, 2010, SPA -- The Secretariat of the Holy City of Makkah has started the cleanliness and maintenance of slaughter houses in the Holy Sites after performing their missions successfully during this Hajj season. Earlier Makkah Mayor Dr. Osama bin Fadhel Al-Bar has signed contracts worth more than SR 5.5 million pertaining to cleanliness and maintenance of slaughter houses in the Holy Sites.