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On 27 January 2010 , ABBAWORLD , a 25-room touring exhibition featuring interactive and audiovisual activities , debuted at Earls Court Exhibition Centre in London .
 ABBAWORLD, Earls Court Exhibition Centre, London
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 ABBAWORLD, Earls Court Exhibition Centre, London