An inside look at Dubai's Burj Khalifa, the world's tallest building. Sources 1/ https://Google.com/ 2/ https://www.youtube.com/watch?v=bfSqjvBTd3Y The mention sources can contact us to remove/changing this article
An inside look at the technological innovations hidden inside Dubai’s Burj Khalifa, the world’s tallest building. More from CNN here http://www.cnn.com/ To license this and other...
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