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Supertall Towers Are Driving an Elevator Revolution

Kone test lab, Tytyri, Finland

Kone's high-rise test laboratory in Tytyri, Finland.

Credit: Kone

Two thousand years ago, the Romans used elevators—powered by pulleys, levers, and slaves—to raise gladiators and wild beasts into the Colosseum for death-match spectacles.

From BloombergBusinessweek
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