World's Tallest Tower: Burj Khalifa - Dubai's Vertical City

It is a journey filled with emotions – from the stirring unveiling of the building; to the spectacular complexities of the building being maintained, the adrenaline rush as workers hang hundreds of metres above ground, cleaning windows; the grand opening of the world's highest restaurant, Atmosphere; and an insight into the safety procedures of the tower and an exciting evacuation drill.
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