Two professional base jumpers, Vince Reffet and Fred Fugen have created a new World Record after jumping off the world's tallest building, the 828-metre high Burj Khalifa in Dubai.The duo broke the Guinness World Record of the Emirati jumpers Nasser Al Neyadi and Omar Al Hegelan for their 672-metre base jump in 2010. Dressed in yellow jumpsuits, Reffet and Fugen leapt off a three-metre-by-one-metre platform, which was constructed at the top of tower specifically for the jump. The pair performed tricks using their winged-suits to glide their movements, before releasing their parachutes.After the winning leap, they said that it was their ultimate dream jumping off the highest building in the world. The pair spent a year preparing for the jump.