Some traders traveled over land and others sailed across the sea.

一些商人选择陆路，而另一些则选择横渡大海。

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In April of this year, a dust storm that originated in China and Mongolia took a six-day journey across more than ten thousand kilometers of sea and open land to Arizona in the United States.

今年四月，源自中国大陆及蒙古内陆的沙尘暴，在六天中跨越了一万多公里的海洋与空旷陆地，最后到达美国亚利桑那州。

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The cooler northerly and easterly winds blowing across the North Sea have been picking up moisture and dumping it as snow and rain on land.

吹过北海的更冷偏北、偏东寒风得到了大量水汽，从而带来了大量的雨雪。

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The vast view still captures the wild frontier and fertile land that held so much promise for those who once sailed across the sea with only their dreams and treasured culture to guide them.

BBC: A German enclave in central Texas

The challenge has been finding an alternative travel option by land and sea that takes them across the Middle East, while avoiding deadly conflict areas.

CNN: Pirates, wars: Hurdles for flight phobia boy

Al-Ain, UAE (CNN) -- A British boy and his father are about to embark on the journey of a lifetime, traveling across the Middle East and Europe by land and sea after 11-year-old Joe Thompson suddenly developed a paralyzing fear of flying.

CNN: Pirates, wars: Hurdles for flight phobia boy