Gyre (like it's namesake - the oceanic gyre) is a structure that utilizes 
ocean currents and wind to gracefully navigate the world's ocean environment. 
Resort destination, transportation hub, method of transport, and scientific 
observatory, Gyre expands the realm of architecture into an exciting and 
sustainable frontier. 

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Floor Area: 2.3 million ft²
Features: tourism  above waterline / hotel and residential below waterline / deep sea underwater lab / renewable energy systems / central fresh water reservoir 
Dates: 2008 International Design Competition