Pilgrims Climb Mecca's Mountain Of Light At Start Of Hajj

The annual hajj pilgrimage is under way in and around the holy city of Mecca in Saudi Arabia. Before the start of the main rituals, thousands of pilgrims climbed Jabal-al-Noor, the Mountain of Light, overlooking Mecca. The mountain is the site of the Hira Cave, where Muslims believe the Prophet Muhammad received his first revelations from God. (Reuters video)