Just imagine if the great inventors or explorers of the past had feared the unknown. Then entire population of the world would still reside in the Tigris-Euphrates Valley.

想象一下过去的那些伟大的发明家和先驱者都惧怕未知，那么我们的整个人类社会恐怕至今还在底格里斯河和幼发拉底河流域停留着呢。

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We have hard evidence of that in Egypt, in Asia Minor, and in the Tigris Euphrates Valley.

而在埃及,小亚细亚,和两河流域却找不到类似的证据

耶鲁公开课 - 古希腊历史简介课程节选

"Pte Gibson survived these early battles, and fought with the Black Watch for the next two years up the valley of the Tigris and Euphrates rivers, as Baghdad was liberated and the Turks were pushed up the valley, " Mr Roodnick said.

BBC: Medal