每一个转弯，我的心都提到嗓子眼，车窗之外一览无余的悬崖峭壁无声地衬托着天池的威严，在降低拜访者勇气的同时又提升着勇气。
O O O O O O B-Person O O O O O B-Thing I-Thing I-Thing O B-Location I-Location I-Location I-Location O O O O O B-Thing I-Thing I-Thing I-Thing O O O O O O B-Thing I-Thing O O O O O O O B-Person I-Person I-Person O O O O O O O O O O O O