An aerial view shows Muslim pilgrims walking around the Kaaba in the Grand Mosque of the holy city of Mecca on August 6, 2012. All over the world Muslims are performing one of the five pillars of Islam as they fast from dawn to dusk during the holy month of Ramadan. AFP PHOTO/AMER HILABI (Photo by AMER HILABI / AFP)        (Photo credit should read AMER HILABI/AFP/Getty Images)