Sacrificial animals are seen at a livestock market set for the upcoming Muslim sacrificial festival Eid al-Adha, 60 km north of Cairo, Egypt, on Sept. 19, 2015. Muslims across the world are preparing to celebrate 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&#039;s readiness to sacrifice his son to show obedience to God. (Xinhua/Ahmed Gomaa)