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Also moving from west to east , there is a change in the composition of the flora , with the change becoming most evident as one passes the centre of the mountain chain from which point the Corbières Massif stretch north-eastwards towards the central plateau of France .
 Corbières Massif, France
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Corbières Massif, France