Which architectural phenomenon refers to cities using iconic buildings by famous architects to transform their image and attract tourism, named after a Spanish city's economic revival following a famous museum?

The strategic use of iconic architecture to transform a city's image and economy has become a powerful brand positioning tool in urban development. One famous example revolutionized how cities use architecture as a marketing strategy, creating a phenomenon known in the industry by a specific name. Test your knowledge about this influential concept that has inspired countless cities to commission signature buildings from star architects.

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The Bilbao Effect
The Barcelona Principle
The Gehry Transformation
The Valencia Strategy