Architect Niemeyer back in Rio hospital

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FILE - In this Sept. 10, 2010, Brazilian architect Oscar Niemeyer attends a ceremony where he was decorated with Spain's Arts and Letters medal in Rio de Janeiro, Brazil. A spokeswoman for the Hospital Samaritano says the 104-year-old was admitted to the hospital in Rio de Janeiro on Tuesday, Nov. 6, 2012, but did not give a specific reason for his hospitalization. Niemeyer designed much of Brazil's futuristic capital, Brasilia, and Rio's Sambadrome, where the annual carnival parade is held. He also helped design the United Nations building in New York City. (AP Photo/Felipe Dana, File)Celebrated Brazilian architect Oscar Niemeyer has been admitted to a hospital in Rio de Janeiro for dehydration.