There are currently projects related to hajj and umrah worth more than $100 billion under development in Makkah and Madinah. These include the expansion of mosques, outdoor areas, expropriations, cutting through mountains, building more roads and high-rises and a network of railways between the two cities and major subways. All of this together perhaps represents the biggest construction project in the world and gives the concept of religious tourism a whole new dimension.
Historically, the hajj pilgrimage was a primary source of income for the people of the holy lands. However, it’s now almost completely dependent on state fundingAbdulrahman al-Rashed