50029
However , to mine for it would involve disturbing the country 's salt flats ( called Salar de Uyuni ) , an important natural feature which boosts tourism in the region .
 location: Salar de Uyuni
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
 Entities: Salar de Uyuni 
Answer:
 location: Salar de Uyuni