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How long do skyscrapers last?

SkyscraperSkyscrapers can last forever if they are properly maintained, that's according to structural engineers. According to these experts, proper design and high-quality materials are the key to a long-lasting high-rise building.

Materials like steel and concrete will eventually deteriorate because of the elements particularly acid rain, but if damaged materials are repaired and replaced immediately, the building will have a new lease on life.

Aside from natural calamities (earthquakes and hurricanes) and man-made disasters (bombs and fires), another leading reason why high-rise buildings come down is money, because it is expensive to maintain a building and sometimes the real estate is more valuable than the structure that sits on it.

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