Millions of people every year from around the world make the pilgrimage to Mecca for the Hajj, it is one of the five pillars of Islam.
Tomorrow the first ever exhibition on this journey opens at the British Museum.
The exhibition has been three years in the planning and was organised in partnership with the King Abdul-Aziz library in Saudi Arabia.
The Today programme's Zubeida Malik went to take a look.
This is an extended version of the broadcast item.
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