Men slaughter sheep during the Muslim festival of Eid al-Adha in Baghdad, Iraq September 12, 2016. (Photo by Ahmed Saad/Reuters)





Sheep for sale are herded onto a road ahead of the Muslim festival of Eid al-Adha in Baghdad, Iraq September 12, 2016. (Photo by Ahmed Saad/Reuters)





A child sits among people attending prayers for Eid al-Adha festival at Niujie mosque in Beijing, China September 12, 2016. (Photo by Jason Lee/Reuters)





Police officers stand guard as Muslims attend an Eid al-Adha mass prayer marking the end of the haj pilgrimage near Moscow's grand mosque in Russia, September 12, 2016. (Photo by Maxim Zmeyev/Reuters)





People watch a butcher cut meat during the first day of Eid al-Adha celebrations in Damascus, Syria September 12, 2016. (Photo by Omar Sanadiki/Reuters)





People watch a butcher cut meat during the first day of Eid al-Adha celebrations in Damascus, Syria September 12, 2016. (Photo by Omar Sanadiki/Reuters)





An Iraqi shepherd carries a sold sheep to a customer's car ahead of the Muslim festival of Eid al-Adha in Baghdad, Iraq September 12, 2016. (Photo by Ahmed Saad/Reuters)





Muslim pilgrims cast stones at pillars symbolizing Satan, during the annual Haj pilgrimage on Eid al-Adha in Mina, near the holy city of Mecca, Saudi Arabia September 12, 2016. (Photo by Ahmed Jadallah/Reuters)





Palestinians slaughter a calf during the Muslim festival of Eid al-Adha in Khan Younis in the southern Gaza Strip September 12, 2016. (Photo by Ibraheem Abu Mustafa/Reuters)





A Palestinian girl attends Eid al-Adha mass prayer marking end of haj pilgrimage, in Khan Younis in the southern Gaza Strip September 12, 2016. (Photo by Ibraheem Abu Mustafa/Reuters)





A man counts Indian rupees after selling a goat at a livestock market on the eve of the Muslim festival of Eid al-Adha in Chandigarh, India September 12, 2016. (Photo by Ajay Verma/Reuters)





A man carries a goat to his vehicle after he purchased it at the animal market ahead of the Eid al-Adha festival in Peshawar, Pakistan September 12, 2016. (Photo by Fayaz Aziz/Reuters)





Handlers of a decorated bull wait for customers at the animal market ahead of the Eid al-Adha festival in Peshawar, Pakistan September 12, 2016. (Photo by Fayaz Aziz/Reuters)





A man holds a goat after it was purchased at the animal market ahead of the Eid al-Adha festival in Islamabad, Pakistan, September12, 2016. (Photo by Fayaz Aziz/Reuters)





Men pull a sacrificial camel into a vehicle after it was purchased at the animal market ahead of the Eid al-Adha festival in Islamabad, Pakistan, September12, 2016. (Photo by Fayaz Aziz/Reuters)





Children play on a handmade swings, during the first day of the Muslim holiday Eid al-Adha in Amman, Jordan September 12, 2016. (Photo by Muhammad Hamed/Reuters)





Palestinian children play on a mini ferris wheel, during the first day of the Muslim holiday Eid al-Adha at Al-Baqaa Palestinian refugee camp, near Amman, Jordan September 12, 2016. (Photo by Muhammad Hamed/Reuters)





Palestinian children play on a mini ferris wheel, during the first day of the Muslim holiday Eid al-Adha at Al-Baqaa Palestinian refugee camp, near Amman, Jordan September 12, 2016. (Photo by Muhammad Hamed/Reuters)





People buy sweets for the upcoming Muslim holiday of Eid al-Adha, in Peshawar, Pakistan, Monday, September12, 2016. Pakistanis will celebrate the Eid al-Adha, or the Feast of the Sacrifice, on Tuesday to mark the willingness of the Prophet Ibrahim – Abraham to Christians and Jews – to sacrifice his son. During the holiday Muslims slaughter sheep and cattle, distribute part of the meat to the poor and eat the rest. (Photo by Mohammad Sajjad/AP Photo)





Camel is on sale at a market ahead of the Eid al-Adha festival in Peshawar, Pakistan, 12 September 2016. Eid al-Adha is the holiest of the two Muslims holidays celebrated each year, it marks the yearly Muslim pilgrimage (Hajj) to visit Mecca, the holiest place in Islam. Muslims slaughter a sacrificial animal and split the meat into three parts, one for the family, one for friends and relatives, and one for the poor and needy. (Photo by Bilawal Arbab/EPA)





A trader pushes his goat past an idol of elephant-headed Hindu god Ganesha as he takes it to sell ahead of the Muslim festival of Eid al-Adha in Bangalore, India, Monday, September 12, 2016. Eid al-Adha, or the festival of sacrifice, is celebrated by Muslims around the world to commemorate Prophet Ibrahim's test of faith. During the Eid, Muslims slaughter livestock and distribute the meat to the poor. (Photo by Aijaz Rahi/AP Photo)





Yemeni children visit a cemetery after Eid al-Adha prayers in Sana'a, Yemen, 12 September 2016. Eid al-Adha is the holiest of the two Muslims holidays celebrated each year, it marks the yearly Muslim pilgrimage (Hajj) to visit Mecca, the holiest place in Islam. Muslims slaughter a sacrificial animal and split the meat into three parts, one for the family, one for friends and relatives, and one for the poor and needy. (Photo by Yahya Arhab/EPA)





Sheep are on sale at a market ahead of the Eid al-Adha festival in Peshawar, Pakistan, 12 September 2016. Eid al-Adha is the holiest of the two Muslims holidays celebrated each year, it marks the yearly Muslim pilgrimage (Hajj) to visit Mecca, the holiest place in Islam. Muslims slaughter a sacrificial animal and split the meat into three parts, one for the family, one for friends and relatives, and one for the poor and needy. (Photo by Bilawal Arbab/EPA)





Israeli Arab youths, from the scouts youth movement, march in a parade for the Eid al-Adha festival in the mixed Arab Jewish neighborhood of Jaffa, near Tel Aviv, Israel, Monday, September 12, 2016. Muslims around the world will celebrate Eid al-Adha, the Festival of Sacrifice, to mark the end of the hajj pilgrimage by slaughtering sheep, goats, cows and camels to commemorate Prophet Abraham's readiness to sacrifice his son Ismail on God's command. (Photo by Oded Balilty/AP Photo)





A Yemeni girl looks back, away from the festival crowd, as she attends the Eid al-Adha prayers at a square in Sana'a, Yemen, 12 September 2016. Eid al-Adha is the holiest of the two Muslims holidays celebrated each year, it marks the yearly Muslim pilgrimage (Hajj) to visit Mecca, the holiest place in Islam. Muslims slaughter a sacrificial animal and split the meat into three parts, one for the family, one for friends and relatives, and one for the poor and needy. (Photo by Yahya Arhab/EPA)





Egyptians take part in Eid Al-Adha prayers at the al-Seddik Mosque in Cairo, Monday, September 12, 2016. Muslims around the world will celebrate Eid al-Adha, the Festival of Sacrifice, to mark the end of the hajj pilgrimage by slaughtering sheep, goats, cows and camels to commemorate Prophet Abraham's readiness to sacrifice his son Ismail on God's command. (Photo by Roger Anis/AP Photo)





A Iranian man walks with a sheep he bought at a market in the capital Tehran on September 12, 2016, as Muslims mark the first day of the Eid al-Adha (Feast of the Sacrifice) holiday. Muslims across the world celebrate the annual festival of Eid al-Adha, or the festival of sacrifice, which marks the end of the Hajj pilgrimage to Mecca and commemorates prophet Abraham's readiness to sacrifice his son to show obedience to God. (Photo by AFP Photo/Stringer)





Indonesian Muslims attend the Eid al-Adha prayers in Medan, Indonesia, September 12, 2016. (Photo by Dedi Sinuhaji/EPA)





Indonesian Muslims carry a cow after it was slaughtered during celebrations for Eid al-Adha at Jogokaryan mosque on September 12, 2016 in Yogyakarta, Indonesia. Muslims worldwide celebrate Eid Al-Adha, to commemorate the Prophet Ibrahim's readiness to sacrifice his son as a sign of his obedience to God, during which they sacrifice permissible animals, generally goats, sheep, and cows. (Photo by Ulet Ifansasti/Getty Images)





Cows are slaughtered during celebrations for Eid al-Adha at Jogokaryan mosque on September 12, 2016 in Yogyakarta, Indonesia. (Photo by Ulet Ifansasti/Getty Images)





An Indonesian Muslim child carries the head of a cow after being slaughtered during celebrations for Eid al-Adha at Jogokaryan mosque on September 12, 2016 in Yogyakarta, Indonesia. (Photo by Ulet Ifansasti/Getty Images)





An Indonesian Muslim prepares a cow for slaughter during celebrations for Eid al-Adha at Jogokaryan mosque on September 12, 2016 in Yogyakarta, Indonesia. (Photo by Ulet Ifansasti/Getty Images)





Indonesian Muslims carry a cow after it was slaughtered during celebrations for Eid al-Adha at Jogokaryan mosque on September 12, 2016 in Yogyakarta, Indonesia. (Photo by Ulet Ifansasti/Getty Images)





Indonesian Muslims butcher cows during celebrations for Eid al-Adha at Jogokaryan mosque on September 12, 2016 in Yogyakarta, Indonesia. (Photo by Ulet Ifansasti/Getty Images)





An indonesian Muslim child carries the head of a cow after it was slaughtered during celebrations for Eid al-Adha at Jogokaryan mosque on September 12, 2016 in Yogyakarta, Indonesia. (Photo by Ulet Ifansasti/Getty Images)





Indonesian Muslims carry a cow after it was slaughtered during celebrations for Eid al-Adha at Jogokaryan mosque on September 12, 2016 in Yogyakarta, Indonesia. (Photo by Ulet Ifansasti/Getty Images)





An Indonesian Muslim slaughters a cow during celebrations for Eid al-Adha at Jogokaryan mosque on September 12, 2016 in Yogyakarta, Indonesia. (Photo by Ulet Ifansasti/Getty Images)