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The planned location for one of the dams was across the valley floor close to Nibutani village , the home of a large community of Ainu people and an important center of Ainu culture and history .
 Nibutani
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Nibutani