Secret plans to build two parallel, mirrored buildings that are nearly 500 metres tall and 75 miles wide in Saudi Arabia have been revealed.
The $1 trillion skyscrapers will be made of mirrored glass that will stretch across its desert and stand taller than the Empire State Building.
The Wall Street Journal unveiled confidential planning documents that laid out details for the "Mirror Line," which will become the world's tallest building if successfully constructed.
