About this ebook
人類前進的歷史是伴隨著無數個問號，並沿著這些問號被解答的路而向前延伸的。今天，世界已經以日新月異的速度發展了一個新的高峰。掌握了高科技手段的人類，正不斷走向未知領域，對我們的歷史、未來提出一個又一個置疑，本書為大家集中收集了人類歷史上的劫難和神秘的失蹤之謎。
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