Muslims offer Eid al-Adha prayers at a mosque in eastern Pakistan's Lahore on Sept. 13, 2016. 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 in commemoration of Prophet Abraham's readiness to sacrifice his son to show obedience to God.

Source : XINHUA