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The story of the skyscraper - Coggle Diagram
The story of the skyscraper
SKYSCRAPER
The symbol of American metropolis
The symbol of twenty-first century urban civilization
These were New York's famous Skyscrapers!
Chicago
At that time boom town of United- states
Chicago was the point at which the West began
Large part of booming Chicago was destroyed in 1871
The fire was a great stimulus to architects : :
5.1800's architect's and engineers had made grate steps forwards
Wood, stone or brick were used as materials of the buildings
The walls needed to be terribly thick at the bottom
In 19th century, the Industrial Revolution resulted in the development of new techniques, notably the use of the iron.
This allowed the building the much bigger buildings.
Opened in 1889, the 19the century's mostar famous iron and steal structure reached unheard- of new heights
The Effiel Tower, 1010 feet high, pointed the way to the future
7.William Janney
Janny's "Home Insurance Building" in Chicago only ten stories high
The father of the new technique
Before the First World war, New York's " Woolworths building" had reached 792 feet
In 1970, the enormous twin tower of the World Trade Center was built