Which architectural project gave its name to the economic phenomenon where a single iconic building dramatically increases tourism and transforms a city's global brand identity?

The relationship between iconic architecture and brand value has transformed cities worldwide. One famous phenomenon in architectural branding revolutionized how cities use landmark buildings to revitalize economies and establish global identity. Test your knowledge about this influential concept that has inspired urban planners and civic leaders to invest billions in signature architecture as a branding strategy.

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Guggenheim Museum Bilbao by Frank Gehry
Sydney Opera House by Jørn Utzon
CCTV Headquarters by Rem Koolhaas
Burj Khalifa by Adrian Smith