The call to prayer rings out from the Grand Mosque in Mecca.<br/> It's the first day of Haj, the holy pilgrimage all physically able Muslims are required to make during their lives.<br/> Millions of Muslims from around the world have descended on Mecca seeking forgiveness for their sins.<br/> Up to three million pilgrims are expected in Saudi Arabia by the time Eid al-Adha is celebrated on Sunday.<br/> (SOUNDBITE) (Arabic) AHMED AL MASRI, EGYPTIAN PILGRIM, SAYING:<br/> "Every Muslim is waiting for this day to get rid of his sins, Allah descends to the lowest heaven and says: Is there someone who seeks forgiveness so I can forgive him? All Muslims await the day of Arafat so that God can forgive our sins."<br/> (SOUNDBITE) (English) UNIDENTIFIED WOMAN, SAYING:<br/> "I am very happy that I am going to Arafat mountain, I will pray for everybody."<br/> Saudi Arabia regards itself as the guardian of Islam and takes responsibility for pilgrim security.<br/> Several deadly incidents have marred past Haj seasons such as fires, hotel collapses, police clashes with protesters and stampedes.<br/> Lily Grimes, Reuters
