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333 Wacker Drive
Designed by architects Kohn Pedersen Fox, the unusually shaped 333 Wacker Drive was constructed from 1979 to 1983. The rear half of the building follows the guidelines of the city grid, while the other half features a curved façade that follows the bend of the Chicago River. The green-glass curtain reflects its surroundings and creates a spectacular visual experience.
Fun Fact: Kohn Pedersen Fox won the National American Institute of Architects Honor Award in 1984 for 333 Wacker Drive.
Photo source: Carol M. Highsmith