The Hajj, that is pilgrimage to Mecca, is the largest annual pilgrimage in the world. It is the fifth pillar of Islam, an obligation that must be carried out at least once in their lifetime by every able-bodied Muslim who can afford to do so. It is a demonstration of the solidarity of the Muslim people, and their submission to God. (more from wiki)

© Scanpix/AP

© Scanpix/AP

© Scanpix/AP

© Scanpix/AP