Mega Projects - The Great Mosque of Mecca: The Largest (And Holiest) Mosque in the World, 25102021

The holiest site in all of islam is a place where millions of pilgrims converge each year and is also the largest mosque in the world by a considerable distance. The great mosque of Mecca or Masjid Al-Haram is a place of staggering proportions capable of holding up to 4 million people at a time.