曾經的文明由地理範圍和時間長度確定。4.2k事件，天氣變冷，古埃及文明衰退，巴比倫和古印度消失。

來源: JustWorld 於 2024-02-23 20:36:57 [舊帖] [給我悄悄話] 本文已被閱讀：次

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