Two skyscrapers taller than the Eiffel Tower stretch 170 kilometres across the Red Sea coast, with the blistering sun glaring off their mirrored exteriors.
Inside the monolithic structure, nine million people go about their lives within a year-round micro-climate in the desert, with any service they need a mere five-minute walk away.
While it sounds like the setting of a (potentially dystopian) sci-fi novel, this is the idea unveiled by the Saudi Arabian crown prince Mohammed bin Salman Al…
