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In addition to the spear , hunting weapons developed during the Upper Paleolithic include the atlatl ( a spear-thrower ; before 30,000 years ago ) and the bow ( 18,000 years ago ) .
 location: Upper Paleolithic
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: Upper Paleolithic