Anacostia River Tunnel Completed

Описание к видео Anacostia River Tunnel Completed

This video goes deep below Washington DC to show the incredible work done by a massive tunnel boring machine named Nannie. She mined more than two miles - a journey completed on November 5, 2016 - to help clean up the rivers in the nation's capital. To read more visit https://www.dcwater.com/site_archive/...

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