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Financial District from Coit Tower. San Francisco, CA. | Four thin buildings of Embarcadero Center (1971-82) plus X-braced Maritime Plaza. San Francisco, CA. Architect: John Portman & Assoc.. | Embarcadero Center plaza. San Francisco, CA. | Market Street from Ferry Building with Hyatt Regency Hotel & Embarcadero Center. San Francisco, CA. |
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Hyatt Regency Hotel (1972) with round observation deck in square frame. San Francisco, CA. Architect: John C. Portman Jr & Assoc.. | Hyatt Regency Hotel (1972) with round observation deck in square frame. San Francisco, CA. Architect: John C. Portman Jr & Assoc.. | Hyatt Regency Hotel 17 story atrium one of the largest interior spaces in Bay Area. San Francisco, CA. | Bonaventure Hotel (1974-6) (5th & Figueroa Streets). Los Angeles, CA. Architect: John Portman & Assoc.. |
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Bonaventure Hotel clusters five cylinders. Los Angeles, CA. | Skyline of Detroit with Renaissance Center (1977). Detroit, MI. Style: Modern. Architect: John Portman & Assoc.. | Renaissance Center has central round tower plus four shorter squarish towers. Detroit, MI. | Towers of Renaissance Center. Detroit, MI. |
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Renaissance Center Towers with small round sections for elevators. Detroit, MI. |
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