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MADRID, SPAIN - MAY 20: A view of the Museo del Prado seen through the entrance of the Parque Buen Retiro in Madrid on May 20, 2010 in Madrid, Spain. Madrid is a big European city with more than 3 million inhabitants. (Photo by EyesWideOpen/Getty Images)

MADRID, SPAIN - MAY 20:  A view of the Museo del Prado seen through the entrance of the Parque Buen Retiro in Madrid on May 20, 2010 in Madrid, Spain. Madrid is a big European city with more than 3 million inhabitants.  (Photo by EyesWideOpen/Getty Images)