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Long before the sky-city of Columbia was fully developed, the art team at Irrational Games had a set of concepts to explore: an art nouveau world set in the age of American exceptionalism, inspired by turn-of-the-century beliefs, decorations, and styles.

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Further explorations of a darker, more derelict Columbia. While Columbia evolved substantially from these images, the seeds of commercialism, the grand architectural statements, and the focus on fine detail survived into the final designs.

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