Over the past four decades, it has spent billions of dollars to expand the Holy Mosque in Makkah and the Prophet's Mosque in Madinah, as well as establishing modern airports, seaports, roads, lodging, and other amenities and services for the pilgrims.http://www.saudiembassy.net/issues/hajj/its also run by the govt.. they dont need a 'permit' for hajj and can build as much permanent stuff as they w