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

188K views · 6.1K reactions | The International Space Station (ISS) uses radio waves to connect to Earth—and the science behind it is out of this world ️ Superstructures: Engineering Marvels is now streaming on Disney+ and Hulu. | National Geographic TV | Facebook

Imagine constructing an extremely tall superstructure with racing winds in a site out of bounds to everyone except Muslims. In this extremely fascinating documentary, discover the engineering breakthroughs vis-a-vis logistical challenges behind the design of The Mecca Clock Tower which is 35 times larger than the Big Ben. 💡Did you know that you can now watch Qalbox on TVs and Media Boxes with Chromecast built-in? Simply choose the film or show you want to watch and press the cast icon to start