排序
順暢線路
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閃電線路
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光速線路
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豪華線路
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菁英線路
劇情簡介
It's the land we love and the land we think we know. We see America's breathtaking landscapes and wildlife as timeless, but the truth is very different. Its unique geography drives the forces of nature to extremes, shaping and reshaping the land and throwing down new challenges for life.
