Pigeons fly as Muslim pilgrims pray on a rocky hill known as Mountain of Mercy, on the Plain of Arafat, during the annual hajj pilgrimage, near the holy city of Mecca, Saudi Arabia, Saturday, Aug. 10, 2019. More than 2 million pilgrims were gathered to perform initial rites of the hajj, an Islamic pilgrimage that takes the faithful along a path traversed by the Prophet Muhammad some 1,400 years ago. (AP Photo/Amr Nabil)