New evidence of the lost civilization of the Tocharians along the Silk Road offers more clues to this mystery from the past.

有证据表明，失落的吐火罗文明，通过古老的丝绸之路，曾在这里繁衍，又终至湮灭。

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A pyramid built by the mysterious Maya looms against sunburst clouds in Chichén Itzá, a postclassic site of the lost civilization on the Yucatán Peninsula.

尤卡坦半岛失去的文明古遗址奇琴伊察，一座由神秘玛雅人建造的金字塔隐现在破云而出的阳光下。

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It is a culture distant to us Ruyang, it does not give us the lost civilization, deep thoughts of civilization can be passed along, so full of fragrant memories of the two sides.

它悠远的文化给我们濡养，它未失落的文明带给我们深邃的思想可以把文明传承下去，使之香满记忆的两岸。

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Aneesh Raman reports this month on how the destruction of holy sites and the theft of ancient treasures won't just affect Iraqis, but all of us: Some of the lost artifacts are as old as our modern civilization and belong to humankind's collective memory.

CNN: Beirut: A city of contrasts

In both, a self-reliant frontiersman typically served as a bridge between wild nature and community, often demonstrating that for all the gains civilization brought, something noble and pure was being lost.

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