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The convenience of coastal channels in the vast Southwest , Guangxi has also strengthened the horizontal economic association with provinces , regions and cities such as Sichuan , Yunnan , Guizhou , Hunan , Tibet , Shanghai , etc .
 Guangxi, provinces , regions and cities such as Sichuan , Yunnan , Guizhou , Hunan , Tibet , Shanghai , etc, Sichuan, Yunnan, Guizhou, Hunan, Tibet, Shanghai, coastal channels in the vast Southwest, the vast Southwest
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: geographical social political, organization, person, location, facility, vehicle, weapon 
Text: {0} 
Answer:
 Guangxi, provinces , regions and cities such as Sichuan , Yunnan , Guizhou , Hunan , Tibet , Shanghai , etc, Sichuan, Yunnan, Guizhou, Hunan, Tibet, Shanghai, coastal channels in the vast Southwest, the vast Southwest