Saudi Arabia is planning to build a 75-mile long desert skyscraper worth up to $1 trillion (£833billion).
The Mirror Line, which will have mirrored sides, will cut through mountains and desert and span all the way to the coast and into the water.
Saudi Arabia is planning to build a 75-mile long desert skyscraper worth up to $1 trillion (£833billion).
The Mirror Line, which will have mirrored sides, will cut through mountains and desert and span all the way to the coast and into the water.