Skyscraper

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A skyscraper is a very tall building or otherwise permanently habitable structure, typically defined as reaching a minimum height of 150 metres (492 ft) in height; however, there remains no universally accepted definition of a skyscraper, other than being a high-rise. Skyscrapers can host a variety of spaces, typically including office, commercial, hotel, and residential space. Skyscrapers are a common feature in the downtown or central business districts (CBD) of major cities, especially in the Americas, Asia, and Australia, often due to a high demand for space and limited availability of land. The majority of skyscrapers are designed with a steel frame and shear walls that support curtain walls. These curtain walls either bear on the framework below or are suspended from the framework above, rather than resting on load-bearing walls of conventional construction. Some early skyscrapers have a steel frame that enables the construction of load-bearing walls taller than those made of reinforced...

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