The Bow tower in Calgary, Alberta, has been recognized for its "innovative design, visual impact and function of significant corporate architecture," being chosen as the most spectacular building in the world by a jury of building experts selected by Emporis. Designed by Foster+Partners, the 59-story steel-framed structure is shaped like a crescent to minimize wind effects. Its "engineered diagonal and vertical steel frame and glass make it 30% lighter than any other building of its size anywhere in the world," Emporis said.

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