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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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