Which famous architectural firm's logo features a perfect square divided into nine equal squares with the central square removed, representing their philosophy of 'void as a design element'?

In the world of architecture, branding and logos have become increasingly important as firms seek to distinguish themselves in a competitive market. Many renowned architectural firms have developed iconic logos that represent their design philosophy and approach. This trivia question tests your knowledge of one of the most recognizable architectural firm logos and its meaningful connection to the firm's design principles.

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Foster + Partners
Zaha Hadid Architects
SANAA
Bjarke Ingels Group (BIG)