globalpost:

Muslims around the world marked the beginning of Eid al-Adha, the Feast of the Sacrifice, on Friday.

Eid al-Adha is one of the most auspicious festivals in the Islamic calendar, when Muslims honor Abraham’s willingness to sacrifice his first-born son Ishmael as an act of devotion to God, before God intervened and provided him with a ram to sacrifice instead. Check out the entire gallery on GlobalPost.