The pyramids and stelae are well worth seeing especially at jungle-shrouded Tikal (above) but here's the thing: Maya civilization isn't long gone.

那些金字塔和石柱非常值得一看，特别是丛林笼罩的蒂卡尔(见上图)，但这儿有件重要的事实：玛雅文明并没有早就消失。

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The pyramids and stelae are well worth seeing, especially at jungle-shrouded Tikal (above), but here's the thing: Maya civilization isn't long gone.

那些金字塔和石柱非常值得一看，特别是丛林笼罩的蒂卡尔(见上图)，但这儿有件重要的事实：玛雅文明并没有早就消失。

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Dunhuang, meanwhile, is a repository of our historical civilization that preserves the past and signifies eras gone by.

世博会是世界文明的际会，它面向未来，生机勃勃；而敦煌是历史文明的积淀，它守护过往，孕育久远。

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Human society has gone through two forms of civilization, which are agricultural civilization and industrial civilization.

人类社会已先后经历了农业文明、工业文明两次文明形态。

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Accompanied with this historical process, the rural areas have gone through the largest peasants' non-agricultural changes in scale since the dawn of human civilization.

与这个历史性进程相伴生，在中国农村地区发生着一场有史以来规模最浩大的农民非农化变迁。

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There's always the possibility that if a civilization takes form early on, or has gone through a long period of seclusion, that when it faces a new era, it faces a huge challenge.

有没有这种可能，比如它的文明成形的比较早，或者它经过漫长的一个封闭时期，当它面对一个新的时代的时候，它可能会面临非常巨大的挑战。

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There's always the possibility that if a civilization takes form early on, or has gone through a long period of seclusion, that when it faces a new era, it faces a huge challenge.

有没有这种可能，比如它的文明成形的比较早，或者它经过漫长的一个封闭时期，当它面对一个新的时代的时候，它可能会面临非常巨大的挑战。

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