Fig 1From: Estimating social contacts in mass gatherings for disease outbreak prevention and management: case of Hajj pilgrimageMasjid-Al-Haram a and b 3D Model, c Pilgrim’s path in the ritual that is begun from one of the gates and ended at the same or another gate. Arrows show one of the paths in the order of cyan, green, yellow, purple, blue and red (Refer to Video 1 and Video 2)Back to article page