Al-Masjid al-Haram, biggest mosque and holiest site in Islam

Al-Masjid al-Haram (Great Mosque) in Makkah, Saudi Arabia, is the holiest site in Islam, attracting millions and millions of pilgrims every year.  It has 48 doors, 7 escalators, 2 electricity stations…In 2016 it was estimated that al Masjid al-Haram had cost 100 billion dollars.