Which architectural firm is known for its distinctive 'diagrid' structural system that has become a key part of their brand identity, featured in buildings like 30 St Mary Axe (The Gherkin) in London?

Brand identity in architecture goes beyond logos and colors—it extends to creating signature buildings that become iconic symbols of the firm's design philosophy. Many renowned architectural practices have developed distinctive visual languages that make their buildings instantly recognizable. This poll tests your knowledge of architectural brand identity through the lens of signature styles that define leading firms in the industry.

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Foster + Partners
Zaha Hadid Architects
Bjarke Ingels Group (BIG)
Renzo Piano Building Workshop