Credit: AFP/Getty Images

A general view shows the new raised walkway installed around the Kaaba (top-R) so people with disabilities can circle around the holy shrine to perform the Tawaf, which is part of the hajj pilgrimage, in Mecca’s Grand Mosque on October 8, 2013. More than two million Muslims have arrived in the holy city for the annual hajj pilgrimage which begins on October 13 amid concerns over the deadly MERS coronavirus. AFP PHOTO/FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)

 

Credit: AFP/Getty Images

 

A general view shows pilgrims performing evening prayers in Mecca’s Grand Mosque on October 8, 2013, as more than two million Muslims have arrived in the holy city for the annual hajj pilgrimage. The hajj, which is one of the world’s largest human assembly, begins on October 13 amid concerns over the deadly MERS coronavirus. AFP PHOTO/FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)

 

Credit: AFP/Getty Images

 

A general view shows security men standing guard while pilgrims perform evening prayers in Mecca’s Grand Mosque, on October 8, 2013, as more than two million Muslims have arrived in the holy city for the annual hajj pilgrimage. The hajj, which is one of the world’s largest human assembly, begins on October 13 amid concerns over the deadly MERS coronavirus. AFP PHOTO/FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)

 

Credit: AFP/Getty Images

 

A general view shows pilgrims performing evening prayers in Mecca’s Grand Mosque, on October 8, 2013, as more than two million Muslims have arrived in the holy city for the annual hajj pilgrimage. The hajj, which is one of the world’s largest human assembly, begins on October 13 amid concerns over the deadly MERS coronavirus. AFP PHOTO/FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)

 

Credit: AFP/Getty Images

 

A general view shows pilgrims performing evening prayers in Mecca’s Grand Mosque on October 8, 2013, as more than two million Muslims have arrived in the holy city for the annual hajj pilgrimage. The hajj, which is one of the world’s largest human assembly, begins on October 13 amid concerns over the deadly MERS coronavirus. AFP PHOTO/FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)

 

Credit: AFP/Getty Images

 

A general view shows pilgrims performing evening prayers in Mecca’s Grand Mosque on October 8, 2013, as more than two million Muslims have arrived in the holy city for the annual hajj pilgrimage. The hajj, which is one of the world’s largest human assembly, begins on October 13 amid concerns over the deadly MERS coronavirus. AFP PHOTO/FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)

 

Credit: AFP/Getty Images

 

A general view shows pilgrims performing evening prayers in Mecca’s Grand Mosque on October 8, 2013, as more than two million Muslims have arrived in the holy city for the annual hajj pilgrimage. The hajj, which is one of the world’s largest human assembly, begins on October 13 amid concerns over the deadly MERS coronavirus. AFP PHOTO/FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)

 

Credit: AFP/Getty Images

 

A general view shows security standing guard while pilgrims perform evening prayers in Mecca’s Grand Mosque, on October 8, 2013, as more than two million Muslims have arrived in the holy city for the annual hajj pilgrimage. The hajj, which is one of the world’s largest human assembly, begins on October 13 amid concerns over the deadly MERS coronavirus. AFP PHOTO/FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)

 

Credit: AFP/Getty Images

 

A general view shows pilgrims performing evening prayers in Mecca’s Grand Mosque on October 8, 2013, as more than two million Muslims have arrived in the holy city for the annual hajj pilgrimage. The hajj, which is one of the world’s largest human assembly, begins on October 13 amid concerns over the deadly MERS coronavirus. AFP PHOTO/FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)

 

Credit: AFP/Getty Images

 

A general view shows pilgrims performing evening prayers in Mecca’s Grand Mosque on October 8, 2013. More than two million Muslims have arrived in the holy city for the annual hajj pilgrimage, one of the world’s largest human assembly, which begins on October 13 amid concerns over the deadly MERS coronavirus. AFP PHOTO/FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)

 

Credit: AFP/Getty Images

 

A Muslim pilgrim wears a mask as she walks to Mecca’s Grand Mosque to perform evening prayers on October 8, 2013 prior to the start of the annual hajj pilgrimage which begins on October 13. More than two million Muslims have arrived in the holy city for the hajj, one of the world’s largest human assemblies, amid concerns over the deadly MERS coronavirus. AFP PHOTO/FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)

 

Credit: AFP/Getty Images

 

A general view shows pilgrims performing evening prayers in Mecca’s Grand Mosque on October 8, 2013, as more than two million Muslims have arrived in the holy city for the annual hajj pilgrimage. The hajj, which is one of the world’s largest human assembly, begins on October 13 amid concerns over the deadly MERS coronavirus. AFP PHOTO/FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)

 

Credit: AFP/Getty Images

 

A construction worker is seen at a large housing and hotel construction project, as slums are earmarked for demolition to make way for new buildings around the Mecca’s clock tower and Grand Mosque, in the holy city of Mecca, on October 9, 2013. More than 2 million Muslims have arrived in Saudi Arabia for the hajj pilgrimage to the shrine city, the world’s largest annual human assembly which peaks on October 13, according to local state media. AFP PHOTO/FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)

 

Credit: AFP/Getty Images

 

A general view shows pilgrims performing evening prayers in Mecca’s Grand Mosque on October 8, 2013, as more than two million Muslims arrive in the holy city for the annual hajj pilgrimage. The hajj, which is one of the world’s largest human assembly, begins on October 13 amid concerns over the deadly MERS coronavirus. AFP PHOTO/FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)

 

Credit: AFP/Getty Images

 

A general view shows the new raised walkway installed around the Kaaba allowing people with disabilities to perform the mandatory Tawaf, or circumambulation, seven times counter-clockwise around the Kaaba, in Mecca’s Grand Mosque on October 8, 2013. More than two million Muslims have arrived in the holy city for the annual hajj pilgrimage which begins on October 13 amid concerns over the deadly MERS coronavirus. AFP PHOTO/FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)

 

Credit: AFP/Getty Images

 

Muslim pilgrims shop following evening prayers at Mecca’s Grand Mosque on October 8, 2013, as more than two million Muslims arrive in the holy city for the annual hajj pilgrimage. The hajj, which is one of the world’s largest human assembly, begins on October 13 amid concerns over the deadly MERS coronavirus. AFP PHOTO/FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)

 

Credit: AFP/Getty Images

 

Muslim pilgrims shop following evening prayers at Mecca’s Grand Mosque on October 8, 2013, as more than two million Muslims arrive in the holy city for the annual hajj pilgrimage. The hajj, which is one of the world’s largest human assembly, begins on October 13 amid concerns over the deadly MERS coronavirus. AFP PHOTO/FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)

 

Credit: AFP/Getty Images

 

Members of the Saudi special police unit perform during a parade in Mecca, on October 9, 2013, as more than two million Muslims have arrived in the holy city in the lead up to the annual hajj pilgrimage. The hajj, which is one of the world’s largest human assemblies, begins on October 13 amid concerns over the deadly MERS coronavirus. AFP PHOTO/FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)

 

Credit: AFP/Getty Images

 

Muslim pilgrims arrive to perform the afternoon prayer in Mecca’s Grand Mosque on October 10, 2013, as more than 2 million Muslims have arrived in Saudi Arabia for the hajj pilgrimage to the shrine city, the world’s largest annual human assembly which peaks on October 13, according to local state media. AFP PHOTO/FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)

 

Credit: AFP/Getty Images

 

Members of the Saudi special police unit perform during a parade in Mecca, on October 9, 2013, as more than two million Muslims have arrived in the holy city in the lead up to the annual hajj pilgrimage. The hajj, which is one of the world’s largest human assemblies, begins on October 13 amid concerns over the deadly MERS coronavirus. AFP PHOTO/FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)

 

Credit: AFP/Getty Images

 

A general view shows pilgrims arriving to perform the afternoon prayer in Mecca’s Grand Mosque on October 10, 2013, as more than 2 million Muslims have arrived in Saudi Arabia for the hajj pilgrimage to the shrine city, the world’s largest annual human assembly which peaks on October 13, according to local state media. AFP PHOTO/FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)

 

Credit: AFP/Getty Images

 

Muslim pilgrims arrive to perform the afternoon prayer in Mecca’s Grand Mosque on October 10, 2013, as more than 2 million Muslims have arrived in Saudi Arabia for the hajj pilgrimage to the shrine city, the world’s largest annual human assembly which peaks on October 13, according to local state media. AFP PHOTO/FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)

 

Credit: AFP/Getty Images

 

Muslim pilgrims gather under the shade as they arrive to perform the afternoon prayer in Mecca’s Grand Mosque on October 10, 2013, as more than 2 million Muslims have arrived in Saudi Arabia for the hajj pilgrimage to the shrine city, the world’s largest annual human assembly which peaks on October 13, according to local state media. AFP PHOTO/FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)

 

Credit: AFP/Getty Images

 

Muslim pilgrims wait before performing the afternoon prayer in Mecca’s Grand Mosque on October 10, 2013, as more than 2 million Muslims have arrived in Saudi Arabia for the hajj pilgrimage to the shrine city, the world’s largest annual human assembly which peaks on October 13, according to local state media. AFP PHOTO/FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)

Credit: AFP/Getty Images
Muslim pilgrims arrive to perform evening prayers in Mecca’s Grand Mosque on October 8, 2013, as more than two million Muslims have arrived in the holy city for the annual hajj pilgrimage. The hajj, which is one of the world’s largest human assembly, begins on October 13 amid concerns over the deadly MERS coronavirus. AFP PHOTO/FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)
Credit: AFP/Getty Images
A general view shows pilgrims performing evening prayers in Mecca’s Grand Mosque on October 8, 2013, as more than two million Muslims have arrived in the holy city for the annual hajj pilgrimage. The hajj, which is one of the world’s largest human assembly, begins on October 13 amid concerns over the deadly MERS coronavirus. AFP PHOTO/FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)
Credit: AFP/Getty Images
A general view shows the new raised walkway installed around the Kaaba (top-R) so people with disabilities can circle around the holy shrine, as pilgrims perform evening prayers in Mecca’s Grand Mosque on October 8, 2013. More than two million Muslims have arrived in the holy city for the annual hajj pilgrimage which begins on October 13 amid concerns over the deadly MERS coronavirus. AFP PHOTO/FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)
Credit: AFP/Getty Images
A general view shows the new raised walkway installed around the Kaaba (top-R) so people with disabilities can circle around the holy shrine to perform the Tawaf, which is part of the hajj pilgrimage, in Mecca’s Grand Mosque as others perform evening prayers on October 8, 2013. More than two million Muslims have arrived in the holy city for the annual hajj pilgrimage which begins October 13 amid concerns over the deadly MERS coronavirus. AFP PHOTO/FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)
Credit: AFP/Getty Images
A general view shows pilgrims arriving to perform the afternoon prayer in Mecca’s Grand Mosque on October 10, 2013, as more than 2 million Muslims have arrived in Saudi Arabia for the hajj pilgrimage to the shrine city, the world’s largest annual human assembly which peaks on October 13, according to local state media. AFP PHOTO/FAYEZ NURELDINE (Photo credit should read FAYEZ NURELDINE/AFP/Getty Images)