布達拉宮看著非常的壯觀！那裏是不是空氣很稀薄？

來源: aChineseBostonian 於 2020-01-24 14:48:34 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

有沒有高原反應？

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