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Revitalization of Atlanta 's neighborhoods , initially spurred by the 1996 Summer Olympics , has intensified in the 21st century , altering the city 's demographics , politics , aesthetics , and culture .
 Atlanta
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Atlanta