Indian Muslim devotees pray during the festival of Eid al-Adha at Jama Masjid Mosque in New Delhi on October 16, 2013. Muslims across the world are celebrating the annual festival of Eid al-Adha, or the Festival of Sacrifice, which marks the end of the Hajj pilgrimage to Mecca and in commemoration of Prophet Abraham's readiness to sacrifice his son to show obedience to God. AFP PHOTO/ RAVEENDRAN (Photo credit should read RAVEENDRAN/AFP/Getty Images)