謝謝分享經驗教訓。出門旅行安全是第一位的，多加小心總是沒錯兒的。把背包放在胸前盡管不太美觀，但安全係數大很多。

來源: 看風景於 2015-06-11 21:00:12 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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