What is the tallest skyscraper we could build? In this video, we explain how tall we could really build and compare the sizes of the Burj Khalifa, X-Seed 4000, and the Space Elevator! For more skyscraper & megaproject content be sure to subscribe to Top Luxury. Thanks for watching this video: How High could we Build? Check Out These Videos: Future Tallest Buildings Size Comparison https://www.youtube.com/watch?v=I3JTqag-l0Q Tallest Skyscrapers under Construction in 2021 https://www.youtube.com/watch?v=gNbqqYRbo5I Size Comparison of World's Tallest Skyscrapers https://www.youtube.com/watch?v=opYiuj2i-K8 #Buildings #Skyscrapers #X-Seed4000 0:00 Intro 0:39 Burj Khalifa 1:51 Jeddah Tower 2:50 X-Seed 4000 4:41 Tokyo Tower of Babel 5:59 The Launch Loop 7:27 Space Elevator Contact us: topluxuryinfo[at]gmail.com