Whilst the monumental Jeddah Tower is being put on hold, top architects and experts around the globe explain the secrets of 21st century skyscrapers. From Ghuangzhou to London, New York to Shanghai, these iconic buildings have an incredible story to tell.
Subscribe to Spark for more amazing science, tech & engineering videos: https://goo.gl/LIrlur 🚀
From their humble beginnings in the late 1880s to giants still under construction, they complement and define our contemporary lives. From Chicago to London, from Tokyo to Dubai, this is the tale – told by the experts – of many great cities racing to build to the sky.
Video courtesy of Spark