NATIONAL GEOGRAPHIC – Tuesday 07 October, 10:30pm

The tallest man-made structure on Earth towering nearly half a mile into the sky is the Burj Dubai Skyscraper in the Persian Gulf. Find out how seven ingenious technological breakthroughs enabled engineers to build this super-structure. From its double-decker elevators and fire-proof evacuation rooms to its unique wind-cheating design, these innovations changed skyscraper design forever and enabled them to grow in size and scale… from BIG to BIGGER into the Burj Dubai, the world’s BIGGEST.