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Published on Dec 8, 2007
"This design for a crystal tower was unprecedented in 1921. It was based on the untried idea that a supporting steel skeleton would be able to free the exterior walls from their load-bearing function, allowing a building to have a surface that is more translucent than solid. Mies van der Rohe determined the faceted, prismatic shapes of its three connecting towers by experimenting with light reflections on a glass model. While the design anticipates his later preference for steel and glass, here a highly expressionistic character is more evident than any kind of rationalist intention."