Which technology company's headquarters was designed by Norman Foster as a giant ring-shaped building nicknamed 'The Spaceship', featuring the world's largest panels of curved glass?

Many major corporations invest significantly in their headquarters to create distinctive architectural landmarks that reinforce their brand identity. These buildings become visual symbols of the company, serving both functional and marketing purposes. This poll tests your knowledge of famous architectural headquarters that have become inseparable from their corporate brands.

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Apple Inc. (Apple Park)
Google (Googleplex)
Amazon (The Spheres)
Microsoft (Microsoft Campus)