Park Hyatt vs Ritz-Carlton (Marriott)

Park Hyatt

Park Hyatt Buenos Aires

Ritz-Carlton

Ritz-Carlton San Francisco

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Ritz-Carlton Seoul (much older than Park Hyatt)

Park Hyatt Seoul

About Us:History, http://corporate.ritzcarlton.com/en/About/OurHistory.htm

History of Hyatt Corporation, http://www.hyatt.com/hyatt/about/overview/history-of-hyatt-corporation.jsp