Millions of Muslims around the world stay in Masjid Haram at different times of the year for Hajj and Umrah. Apart from this, people from different countries visit the Holy Kaaba at different times. Millions of Muslims pray five times a day.
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There are 120 technical engineers in Masjid Haram. There are about eight thousand speakers. There are six control rooms for these controls. In addition, hundreds of microphones are used in the Haram mosque. This sound system is spread over an area of about six hundred and fifty square meters.