Muslims around the world celebrated the Eid al-Adha holiday on Monday, one of the two most important festivals of the Islamic calendar. Marking the willingness of Ibrahim, or Abraham, to sacrifice his son on God’s command, Muslims mark the holiday by slaughtering animals such as sheep and goats.

The meat is shared among family and friends and also donated to the poor. And the water turns blood red! Eid al-Adha 2016 was expected to begin on Sunday, September 11. But on Friday September 2, the supreme court in Saudi Arabia announced that the Muslim festival of Eid will be on Monday, September 12. READ MORE