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The North-West is also the hub of modern and contemporary Italian architecture - Milan and Turin were and still are the capitals of Italian modernist and industrial design , and such examples can be seen in buildings such as the Torre Velasca and the Pirelli Tower in Milan and the Lingotto building in Turin .
 Milan, Turin, Milan, Turin
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Milan, Turin, Milan, Turin