The future world's tallest skyscraper could be twice as tall as the Burj Khalifa

Plans for a mile high skyscraper in Tokyo could be twice as tall as the current tallest building in the world, Dubai's Burj Khalifa. This super-tall building is set to reach a height of 5,577ft and host up to 55,000 people in Tokyo bay, an inlet southeast of the Japanese capital.
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