观看免费视频 Sumer: The First Civilization

Name: Sumer: The First Civilization
Uploaded: 2016-06-10T21:50:10Z
Duration: 13 min 35 s
Description: The culmination of the last 6,000 years of human endeavour now closes in on answering the timeless question: Why? So it begins...

(184 MB) 添加日期10 Jun 2016 播放114次星球科学 Technology History Trailer

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The culmination of the last 6,000 years of human endeavour now closes in on answering the timeless question: Why? So it begins...