134037
An airliner carrying 22 people crashed into a remote mountainous area of Cambodia today , and the fate of those aboard remained uncertain as search teams were daunted by darkness and rugged terrain .
 Cambodia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Cambodia