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At Angkor Wat , the external gallery wall is covered with some 12,000 or 13,000 square meters of such scenes , some of them historical , some mythological .
 Angkor Wat
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Angkor Wat