1996年，Haigh指出，平流层的温度影响了喷流的一段，而喷流是横跨欧洲自西向东的一条高海拔气流通道。

Back in 1996, Haigh showed that the temperature of the stratosphere influences the passage of the jet stream, the high-altitude river of air passing from west to east across Europe.

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陆高高程则以棕色色条表示：更亮的区域表示海拔较高。

Elevation is shown in shades of brown; lighter areas are higher.

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我们声明过埃及会发现自己位于移民路线的中央，因为人类会记得那里有一条通向非洲的便捷路线，而且还记得非洲是个海拔很高物产丰富的大陆。

We have stated that Egypt can find itself in the center of a , as mankind will remember that a handy route into Africa exists there, and that Africa is a rich continent with a high elevation.

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