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The Cherŭng Royal Tomb is a 15th-century mausoleum located in Chi-dong , Kaepung - gun near Kaesong , North Korea .
 Kaepung, Kaesong, North Korea
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Kaepung, Kaesong, North Korea