309975
Permanent installations of his work include those at the Lufthansa Aviation Center , Frankfurt Airport , Germany , the ETH University , Zurich , Switzerland , the Style Company Building , Osaka , Japan , and the immigration hall of Dallas Fort Worth International Airport , Texas , USA .
 Frankfurt, Zurich, Osaka, Dallas
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Frankfurt, Zurich, Osaka, Dallas