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Chicago, the birthplace of the skyscrapers, started to build upwards in 1871 after the great fire. These buildings consisted of ten to twelve storeys and differed in the way they were built from other buildings. Conventional buildings have walls which support the building’s weight, whereas skyscrapers have walls which are thin and light and attached to a metal frame.
Chicago is a birthplace of towers.
London is a birthplace of the skyscrapers.
Chicago is not a birthplace of the skyscrapers.
Chicago is a birthplace of the skyscrapers.