It’s destined to become one of the world’s biggest transport hubs.

So it’s perhaps not surprising that Chinese officials were keen to show-off the skeleton of Beijing’s new mega-airport – Beijing Daxing International Airport this week. 

Representatives unveiled the primary structure of its 80billion yuan (£9billion) project on Monday, which boasts 1.6million cubic metres of concrete, 52,000 tonnes of steel and spans 47 square kilometres (18 square miles), including runways.