7.3K views · 44 reactions | Why are engineers worried about this...

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

The world's tallest buildings are shorter than you think 😮 | The B1M

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