The Hajj Goes High-Tech

The Hajj Goes High-Tech Advances in infrastructure and security improve the experience of Islam's holiest pilgrimage
Khaled Desouki / AFP / Getty

Getting Bigger
The Grand Mosque is now undergoing a fourth extension, begun last year and expected to last until 2020. The construction will increase the capacity of the mosque by 35%, making it large enough to hold over a million pilgrims.

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