Trắc nghiệm: 16. Halong Bay. __________ with 1.600 limestone islands and islets. is a beautiful natural wonder in northern Vietnam near the Chinese border. | Gửi trắc nghiệm |
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Trắc nghiệm: 16. Halong Bay. __________ with 1.600 limestone islands and islets. is a beautiful natural wonder in northern Vietnam near the Chinese border. | Gửi trắc nghiệm |