Technology is reshaping the Hajj in Saudi Arabia, from AI crowd control and surveillance to apps like Nusuk that give pilgrims real-time services. Special road coatings cool key si

Technology is reshaping the Hajj in Saudi Arabia, from AI crowd control and surveillance to apps like Nusuk that give pilgrims real-time services. Special road coatings cool key sites, while large security teams still guide the faithful. Al Jazeera’s Ahmed Idris reports.