How the World’s Tallest Skyscraper was Built ?
“Discover the engineering innovations that made building Burj Khalifa, the world’s tallest skyscraper, possible. In 2004, construction began on a new building in Dubai, promising a revolutionary design that would dwarf the rest of the world’s skyscrapers. Five years later, the 828-meter Burj Khalifa was complete, surpassing the previous record-holder by over 60%. What innovations allowed for such a huge leap in height? Learn about the architecture of this unprecedented project.” – TED Ed