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32K views · 156 reactions | From the world's biggest plane and largest free-spanning dome, watch as SuperStructures: Engineering Marvels reveals the most extraordinary engineering feats in the world. | National Geographic Africa | Facebook

38K views · 279 reactions | What are the heights of some of the most iconic buildings? How do they compare against the towering Burj Khalifa? This animation shows a lineup of the world's tallest buildings, comparing their impressive heights. Watch the video until the end for a surprising twist that you won't want to miss! | The Brain Maze | Facebook

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Take a tour of the tallest building in the world: The Burj Khalifa 😮🗼 | Guinness World Records