Sacrificial animals are seen at a livestock market set for the upcoming Muslim sacrificial festival Eid al-Adha in Monofya, 60 km north of Cairo, Egypt , on Sept. 20, 2014. Muslims celebrate Eid al-Adha by slaughtering cattles to commemorate the prophet Abraham's willingness to offer his son to God. (Xinhua/Ahmed Gomaa)

Sacrificial animals are seen at a livestock market set for the upcoming Muslim sacrificial festival Eid al-Adha in Monofya, 60 km north of Cairo, Egypt , on Sept. 20, 2014. Muslims celebrate Eid al-Adha by slaughtering cattles to commemorate the prophet Abraham's willingness to offer his son to God. (Xinhua/Ahmed Gomaa)

An Egyptian man carries a small buffalo on his shoulder after buying it at a livestock market set for the upcoming Muslim sacrificial festival Eid al-Adha in Monofya, 60 km north of Cairo, Egypt , on Sept. 20, 2014. Muslims celebrate Eid al-Adha by slaughtering cattles to commemorate the prophet Abraham's willingness to offer his son to God. (Xinhua/Ahmed Gomaa)

An Egyptian vendor handles livestock for sale at a livestock market set for the upcoming Muslim sacrificial festival Eid al-Adha, 60 km north of Cairo, Egypt , on Sept. 20, 2014. Muslims celebrate Eid al-Adha by slaughtering cattles to commemorate the prophet Abraham's willingness to offer his son to God. (Xinhua/Ahmed Gomaa)

An Egyptian boy rides on a cow at a livestock market set for the upcoming Muslim sacrificial festival Eid al-Adha in Monofya, 60 km north of Cairo, Egypt , on Sept. 20, 2014. Muslims celebrate Eid al-Adha by slaughtering cattles to commemorate the prophet Abraham's willingness to offer his son to God. (Xinhua/Ahmed Gomaa)