Muslim pilgrims circle the Kaaba, the cubic building at the Grand Mosque in the Muslim holy city of Mecca, Saudi Arabia, on Sept. 22, 2015.
Muslim pilgrims circle the Kaaba, the cubic building at the Grand Mosque in the Muslim holy city of Mecca, Saudi Arabia, on Sept. 22, 2015. Mosa'ab Elshamy AP
Muslim pilgrims circle the Kaaba, the cubic building at the Grand Mosque in the Muslim holy city of Mecca, Saudi Arabia, on Sept. 22, 2015. Mosa'ab Elshamy AP