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skyscraper
September 15
Originating in the the late 1880s, a skyscraper is a building of exceptional height containing many stories or floors. The first skyscrapers relied upon new materials and methods of construction to create buildings of twenty stories or more. Today, skyscrapers such as the 88 story Petronas Towers in Kuala Lumpur, Malaysia, incorporate a precisely engineered steel structure, computer controlled ventilation systems, and high-speed elevators to reach heights of over 1,400 feet.
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