Which iconic product design was directly inspired by the geographic features of Australia's Sydney Harbor?

Product designers often look to geographic features for inspiration in creating innovative solutions. From the aerodynamics of birds to the structural integrity of honeycombs, nature's designs have influenced countless products. This trivia question explores how specific geographic locations have directly inspired iconic product designs that blend form, function, and regional identity.

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The Sydney Opera House's sail-like roof structure
The stackable Pringles potato chip's hyperbolic paraboloid shape
The Apple AirPods' ergonomic ear design
The Coca-Cola bottle's contoured grip shape