Posted on Apr 6, 2018

vi-AAvwPU1

SSgt Donald Libby

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An interesting short video from National Geographic on how 2000 years ago an engineer devised a method to change the flow of a river.

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Posted from msn.com

Posted in these groups: China

China

Ancient History

Posted >1 y ago

Responses: 2

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Capt Daniel Goodman

Posted >1 y ago

Good catch....

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SGT David A. 'Cowboy' Groth

Posted >1 y ago

Excellent video share Donald, thank you.

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