German car manufacturer Audi proposed an interesting challenge to test the speed of its model Audi RS7. The Audi Elevation Challenge is a face-off between Burj Khalifa's elevator and Audi RS7 Sportback. In the elevation challenge, Audi RS7, while on an ascending drive, has to meet the speed of Burj Khalifa's elevator going up. Visualize this.. Burj Khalifa, with a … [Read more...]