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Major towns , in particular , functioned as centers of diffusion ( Cologne 1466 , Rome 1467 , Venice 1469 , Paris 1470 , Kraków 1473 , London 1477 ) .
 Cologne, Rome, Venice, Paris, Kraków, London
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Cologne, Rome, Venice, Paris, Kraków, London