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First initiated as a reaction to the main square being " concreted over " , the Stadtwerkstatt developed into a center of culture and communication that has been located since 1990 in Alt-Urfahr .
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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:
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