Multi-stories: Skyscrapers and the Tycoons That Built Them — DOORS

Back when skyscrapers were a new invention, business tycoons in Pittsburgh and across the country invested in this new form of high tech to proclaim their power. Learn about some key

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When was the first multi-story building built? - Quora

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Inspired by dominos this futuristic 70-story skyscraper could soon become Africa's second tallest tower. - Luxurylaunches

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