Which architectural firm designed its headquarters as a 'vertical urban forest' with over 1,000 trees and 20,000 plants integrated into the building's façade as a statement of their sustainable design philosophy?

Major architectural firms don't just design buildings for others—they often create distinctive headquarters that embody their brand positioning and design philosophy. These flagship buildings serve as three-dimensional portfolios showcasing their capabilities and values. This quiz tests your knowledge of how leading architectural firms have used their own headquarters as powerful brand positioning statements in the industry.

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Stefano Boeri Architetti (Milan, Italy)
Foster + Partners (London, UK)
Bjarke Ingels Group/BIG (Copenhagen, Denmark)
Gensler (San Francisco, USA)