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Every other year during the last weekend of August , military planes from the Air Forces of Europe and Russia gather in Radom for the show , which entertains visitors through elaborate stunts and performances from the aircraft .
 Europe, Russia, Radom
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Europe, Russia, Radom