Muslim pilgrims circle the Kaaba and pray at the Grand mosque during the annual Hajj pilgrimage in the holy city of Mecca
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Millions gather in Mecca for Hajj

Thousands of people have arrived in Mecca this week ahead of the annual Hajj pilgrimage.

It is a ritual that is designed to promote the bonds of Islamic brotherhood and sisterhood by showing that everyone is equal in the eyes of Allah.

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