An aerial view of the Grand Mosque is seen on the second day of Eid al-Adha, during the annual haj pilgrimage in the holy city of Mecca September 25, 2015. (Photo by Ahmad Masood/Reuters)





An aerial view of the Grand Mosque is seen on the second day of Eid al-Adha, during the annual haj pilgrimage in the holy city of Mecca September 25, 2015. (Photo by Ahmad Masood/Reuters)





An aerial view of the Grand Mosque is seen on the second day of Eid al-Adha, during the annual haj pilgrimage in the holy city of Mecca September 25, 2015. (Photo by Ahmad Masood/Reuters)





An aerial view of the Grand Mosque is seen on the second day of Eid al-Adha, during the annual haj pilgrimage in the holy city of Mecca September 25, 2015. (Photo by Ahmad Masood/Reuters)





An aerial view of the Grand Mosque is seen on the second day of Eid al-Adha, during the annual haj pilgrimage in the holy city of Mecca September 25, 2015. (Photo by Ahmad Masood/Reuters)





An aerial view of the tents of Muslim pilgrims is seen on the second day of Eid al-Adha in Mina, near the holy city of Mecca, during the annual haj pilgrimage September 25, 2015. (Photo by Ahmad Masood/Reuters)





An aerial view shows the location where pillars symbolizing Satan are located, during the annual haj pilgrimage in the holy city of Mecca September 25, 2015. (Photo by Ahmad Masood/Reuters)





An aerial view shows the location where pillars symbolizing Satan are located, during the annual haj pilgrimage in the holy city of Mecca September 25, 2015. (Photo by Ahmad Masood/Reuters)





An aerial view of the tents of Muslim pilgrims is seen on the second day of Eid al-Adha in Mina, near the holy city of Mecca, during the annual haj pilgrimage September 25, 2015. (Photo by Ahmad Masood/Reuters)





An aerial view of the tents of Muslim pilgrims is seen on the second day of Eid al-Adha in Mina, near the holy city of Mecca, during the annual haj pilgrimage September 25, 2015. (Photo by Ahmad Masood/Reuters)





Saudi policemen look at monitor screens showing footage from cameras set up around the holy places, during a tour for journalists, on the second day of Eid al-Adha in Mina near the holy city of Mecca September 25, 2015. (Photo by Ahmad Masood/Reuters)





Saudi policemen look at monitor screens showing footage from cameras set up around the holy places, during a tour for journalists, on the second day of Eid al-Adha in Mina near the holy city of Mecca September 25, 2015. (Photo by Ahmad Masood/Reuters)





Saudi policemen look at monitor screens showing footage from cameras set up around the holy places, during a tour for journalists, on the second day of Eid al-Adha in Mina near the holy city of Mecca September 25, 2015. (Photo by Ahmad Masood/Reuters)





Saudi policemen look at monitor screens showing footage from cameras set up around the holy places, during a tour for journalists on the second day of Eid al-Adha, in Mina near the holy city of Mecca September 25, 2015. (Photo by Ahmad Masood/Reuters)





Muslim pilgrims walks on a bridge as they head to cast stones at pillars symbolizing Satan during the annual haj pilgrimage in Mina, on the second day of Eid al-Adha, near the holy city of Mecca September 25, 2015. (Photo by Ahmad Masood/Reuters)





An aerial view of the Grand Mosque is seen on the second day of Eid al-Adha, during the annual haj pilgrimage in the holy city of Mecca September 25, 2015. (Photo by Ahmad Masood/Reuters)





An aerial view of the Grand Mosque is seen on the second day of Eid al-Adha, during the annual haj pilgrimage in the holy city of Mecca September 25, 2015. (Photo by Ahmad Masood/Reuters)





An aerial view of the Grand Mosque is seen on the second day of Eid al-Adha, during the annual haj pilgrimage in the holy city of Mecca September 25, 2015. (Photo by Ahmad Masood/Reuters)





An aerial view of the Grand Mosque is seen on the second day of Eid al-Adha, during the annual haj pilgrimage in the holy city of Mecca September 25, 2015. (Photo by Ahmad Masood/Reuters)





An aerial view of the Grand Mosque is seen on the second day of Eid al-Adha, during the annual haj pilgrimage in the holy city of Mecca September 25, 2015. (Photo by Ahmad Masood/Reuters)





An aerial view of the tents of Muslim pilgrims is seen on the second day of Eid al-Adha in Mina, near the holy city of Mecca, during the annual haj pilgrimage September 25, 2015. (Photo by Ahmad Masood/Reuters)





An aerial view shows the location where pillars symbolizing Satan are located, during the annual haj pilgrimage in the holy city of Mecca September 25, 2015. (Photo by Ahmad Masood/Reuters)





An aerial view shows the location where pillars symbolizing Satan are located, during the annual haj pilgrimage in the holy city of Mecca September 25, 2015. (Photo by Ahmad Masood/Reuters)





An aerial view of the tents of Muslim pilgrims is seen on the second day of Eid al-Adha in Mina, near the holy city of Mecca, during the annual haj pilgrimage September 25, 2015. (Photo by Ahmad Masood/Reuters)





An aerial view of the tents of Muslim pilgrims is seen on the second day of Eid al-Adha in Mina, near the holy city of Mecca, during the annual haj pilgrimage September 25, 2015. (Photo by Ahmad Masood/Reuters)





Saudi policemen look at monitor screens showing footage from cameras set up around the holy places, during a tour for journalists, on the second day of Eid al-Adha in Mina near the holy city of Mecca September 25, 2015. (Photo by Ahmad Masood/Reuters)





Saudi policemen look at monitor screens showing footage from cameras set up around the holy places, during a tour for journalists, on the second day of Eid al-Adha in Mina near the holy city of Mecca September 25, 2015. (Photo by Ahmad Masood/Reuters)





Saudi policemen look at monitor screens showing footage from cameras set up around the holy places, during a tour for journalists, on the second day of Eid al-Adha in Mina near the holy city of Mecca September 25, 2015. (Photo by Ahmad Masood/Reuters)





Saudi policemen look at monitor screens showing footage from cameras set up around the holy places, during a tour for journalists on the second day of Eid al-Adha, in Mina near the holy city of Mecca September 25, 2015. (Photo by Ahmad Masood/Reuters)





Muslim pilgrims walks on a bridge as they head to cast stones at pillars symbolizing Satan during the annual haj pilgrimage in Mina, on the second day of Eid al-Adha, near the holy city of Mecca September 25, 2015. (Photo by Ahmad Masood/Reuters)