Which architectural firm's distinctive brand identity became so synonymous with a city that their building is credited with creating the 'Bilbao Effect' - where a single structure transforms a city's economy and global image?

In the world of architecture, brand recognition plays a crucial role in how firms establish their identity and attract clients. Distinctive architectural styles, signature elements, and landmark projects help create a recognizable brand that clients and the public associate with quality and innovation. This trivia challenges your knowledge about one of architecture's most recognizable brand stories and how it transformed not just a firm but an entire city's identity.

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Gehry Partners, LLP (Frank Gehry's Guggenheim Museum Bilbao)
Foster + Partners (Norman Foster's Hearst Tower)
Zaha Hadid Architects (Heydar Aliyev Center)
Bjarke Ingels Group (BIG's CopenHill)