By Bindu Rai

It was a moment in history that soared into the record books when two brave men leapt off the pinnacle of the world’s tallest building for a death-defying base jump on that morning of April 19.

While the world reacted to the new Guinness World Record by daredevils Fred Fugen and Vince Reffet as they base jumped off the top spire of Burj Khalifa, few are aware of the engineering feat that went behind conducting this feat.

A month later, engineers from WSP reveal some of the challenges faced by the base jumpers and the architects behind the world record, including building a 3.5-metre platform at the dizzying heights of 828 metres, with 1.28 metres of moving space. More info