大峽穀，從南麵過去到北麵，再從北麵回來到南麵rim to rim to rim，所以叫R3

來源: 羊脂玉淨瓶於 2015-10-05 21:13:40 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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