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It was thirty-four years later , in 1902 , that the explorer Vladimir Arsenyev made his first expedition to the area .
 person: Vladimir Arsenyev
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:
 person: Vladimir Arsenyev