Modern architecture is a set of building styles with similar characteristics, primarily the simplification of form and the elimination of ornament. The first variants were conceived early in the 20th century. Modern architecture was adopted by many influential architects and architectural educators, however very few "Modern buildings" were built in the first half of the century. It gained popularity after thesecond world war and became the dominant architectural style for institutional and corporate buildings for three decades.
The exact characteristics and origins of Modern architecture are still open to interpretation and debate
the source http://en.wikipedia.org/wiki/Modern_architecture
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