A Palestinian men slaughters a cow on the first day of the Muslim holiday of Eid al-Adha, in the Rafah Refugee Camp, southern Gaza on October 26, 2012. Muslims around the world celebrate Eid al-Adha to mark the end of the haj by slaughtering sheep, goats, cows and camels to commemorate Prophet Abraham's willingness to sacrifice his son Ismail on God's command. UPI/Ismael Mohamad