Muslim pilgrims touch the Kaaba at the Grand Mosque in the holy city of Mecca ahead of the annual Haj pilgrimage October 7, 2013. REUTERS/Ibraheem Abu Mustafa

Muslims pray at the Grand Mosque in the holy city of Mecca ahead of the annual Haj pilgrimage October 7, 2013. REUTERS/Ibraheem Abu Mustafa

Muslim pilgrims touch the Kaaba at the Grand Mosque in the holy city of Mecca ahead of the annual Haj pilgrimage October 7, 2013. REUTERS/Ibraheem Abu Mustafa

A Muslim pilgrim prays at Mount Al-Noor ahead of the annual haj pilgrimage in Mecca October 10, 2013. REUTERS/Ibraheem Abu Mustafa

Muslim pilgrims ascend Mount Al-Noor ahead of the annual haj pilgrimage in Mecca October 10, 2013.
REUTERS/Ibraheem Abu Mustafa

Muslim pilgrims stand around Hira cave at Mount Al-Noor ahead of the annual haj pilgrimage in Mecca October 10, 2013. REUTERS/Ibraheem Abu Mustafa

Muslim pilgrims pray atop Mount Thor in the holy city of Mecca ahead of the annual haj pilgrimage October 11, 2013. Mount Thor marks the start of the journey of the Prophet Mohammad and his companion Abu Bakr Al-Sadeeq from Mecca to Medina. It houses Thor cave where Prophet Mohammed is believed to have hid from the people of Quraish before his Hijra (migration) to Medina. REUTERS/Ibraheem Abu Mustafa