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Following their successful development of three residential towers in their Le Parc Puerto Madero project , Raghsa announced in 2006 the construction of two premier residential buildings on Buenos Aires ' upscale Figueroa Alcorta Avenue .
 Puerto Madero, Buenos Aires
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Puerto Madero, Buenos Aires