Saudi Arabia is planning to build the Mirror Line — two parallel skyscrapers that will stretch for 75 miles over varied terrain — at a cost of up to $1 trillion, or the entire GDP of Indonesia.
The Wall Street Journal reported details about the project on Saturday after obtaining confidential planning documents.
The skyscrapers, which are set to have mirrored sides, will cut through mountains and desert, span all the way to the coast and into the water.
Artist renderings of the project were published by The Journal.
The outlet reported the project is expected to cost up to $1 trillion, according to sources close to the project.
It’s intended to house 5 million people and feature a high-speed train running under the buildings, vertical farming, a sports stadium, and a yacht marina, according to The Journal.
The Mirror Line is part of plan for a linear community that was previously announced by Saudi Crown Prince Mohammed bin Salman, who directed officials to create something on the scale of the pyramids of Egypt.
The project will reportedly house five million people, who will be able to travel end-to-end within a 20-minute stretch.
The Prince has claimed he wants the Mirror Line to be ready by 2030, but engineers said it could take up to 50 years for completion.
An initial impact assessment produced in January 2021 also mentioned that the structure would have to be constructed in stages and could take 50 years.
According to The Wall Street Journal, the Mirror Line is designed by the U.S.-based Morphosis Architects, founded by Pritzker Architecture Prize winner Thom Mayne, and involves at least nine other design and engineering consultants, including Montreal-based WSP Global and New York’s Thornton Tomasetti, among others.
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