Mecca transforms in preparation for Hajj - Aljazeera

Every year, millions of Muslims gather to perform the Hajj in the Saudi Arabian city of Mecca, where the city's Grand Mosque overflows with pilgrims as many more clamor for space outside the mosque's walls.

It's a reality that Saudi authorities are hoping to change with an ambitious expansion and renovation project that is underway across the city.

But expanding and renovating the Grand Mosque and the citys infrastructure will be a challenge to do without disrupting what Muslims believe to be the holiest of spiritual journeys. AlJazeera English