36179
Climatic changes brought : savannas that are still continuing to spread across the world ; Indian monsoons ; deserts in central Asia ; and the beginnings of the Sahara desert .
 Asia, Sahara
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Asia, Sahara