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The programme shut down in 1955 , but the site was re-opened and greatly expanded in 1956 as part of Canada 's participation in the International Geophysical Year .
 location: Canada
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 location: Canada