When every last part of New York City is filled with development, there will still be room for the world's tallest building. How will that be possible? Because this building will be suspended in space from an asteroid.

The quest to cram ever more human beings into ever-decreasing square footage of city real estate continues – with a skyscraper suspended from an asteroid.

A New York architecture firm is proposing a design for the world’s tallest building Analemma Tower, which would hang down from the sky suspended by air cables attached to an asteroid.

“Analemma inverts the traditional diagram of an earth-based foundation, instead depending on a space-based supporting foundation from which the tower is suspended. This system is referred to as the Universal Orbital Support System (UOSS),” Clouds Architecture Office said in a statement.

“By placing a large asteroid into orbit over earth, a high strength cable can be lowered towards the surface of earth from which a super tall tower can be suspended. Since this new tower typology is suspended in the air, it can be constructed anywhere in the world and transported to its final location.”

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