4748
After the disaster , 30,000 people of the population of 46,000 were evacuated , in what turned out to be the biggest airlift in Australia 's history .
 location: Australia
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: Australia