三亚是中国最南端的热带国际滨海旅游城市，有着“东方夏威夷”的美称。
B-Thing I-Thing O B-Location I-Location I-Location I-Location I-Location O O O O O O B-Location I-Location I-Location B-Thing I-Thing O O O O O O B-Thing I-Thing I-Thing O O O O O