PHOTOS: Millions of Muslim worshipers travel to Mecca for Hajj

Digital Originals

A Muslim pilgrim prays in front of the Kaaba, the cubic building at the Grand Mosque, ahead of the annual Hajj pilgrimage in the Muslim holy city of Mecca, Saudi Arabia, Monday, Aug. 28, 2017. (AP Photo/Khalil Hamra)

The annual pilgrimage to Mecca officially begins Aug. 30. Nearly 2 million Muslims have already arrived for Hajj, coming to worship in the city’s grand mosque.