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This episode reveals some of the engineering secrets behind the construction of the Burj Khalifa, which stands more than half a mile high, making it the tallest skyscraper ever built. To receive the latest information on our competitions and the latest programs, register at http://natgeotv.com/ae/users/register Follow us on social media: / natgeoabudhabi / natgeoabudhabi / natgeoabudhabi Or visit our website for program schedules: http://natgeotv.com/ae About National Geographic Abu Dhabi: National Geographic Abu Dhabi is the world's premium destination for science, exploration, and adventure. With the channel's elite team of scientists, photographers, journalists, and filmmakers, National Geographic takes you to another dimension where stories happen and the impossible is impossible. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo AD gets you closer to the stories that matter and past the edge of what's possible. National Geographic Abu Dhabi: http://bit.ly/NGADYoutube Subscribe: bit.ly/NGADSubscribe