Muslim pilgrims circle counterclockwise Islam's holiest shrine, the Kaaba, at the Grand Mosque in Saudi Arabia's holy Muslim city of Mecca late on September 26, 2015. At least 769 people were killed and hundreds wounded during a stampede at the annual hajj in Saudi Arabia, in the second tragedy to strike the pilgrims this year. AFP PHOTO/MOHAMMED AL-SHAIKH (Photo credit should read MOHAMMED AL-SHAIKH/AFP/Getty Images)
