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It is possible to fly in through tours that can be arranged in Darwin , or to travel to the area alone by four-wheel drive or boat – although , as the ruins lie on Aboriginal land , a permit must be obtained first .
 location: Darwin
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: Darwin