人们越过小山丘，穿过高山脉，和马赛跑。

People race against horses across the hills and mountains.

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这条路是在地球第二高山脉安第斯山的东侧修筑的。

This route is cut into the eastern side of the second highest mountain range on Earth, the Andes.

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商队的丝绸之路线程现在已经进入了一些通过世界最高山脉和沙漠的道路与公路。

The caravan tracks of the Silk road have now been made into roads and highways which thread through some of the highest mountains and the harshest deserts in the world.

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