Big Bertha -- world's largest tunnel boring machine -- facing big Seattle challenge CBS Evening News 2:04 10 years ago 282 577 Скачать Далее
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Mystery object blocks world's largest tunnel boring machine in Seattle TomoNews US 0:55 10 years ago 29 644 Скачать Далее
Biggest And Fastest Tunnel Boring Machine (The Bertha) SAVCO GEEK DESIGNS 5:05 1 year ago 1 028 Скачать Далее
Mystery object blocks world's largest tunnel boring machine in Seattle News Direct 0:36 10 years ago 4 225 Скачать Далее
Jumbo transports largest tunnel boring machine 'Bertha' Jumbo Maritime 2:20 11 years ago 36 954 Скачать Далее
What's stopping big Bertha Seattle debates mysterious object obstructing tunnel machine JZ Knights 2:09 10 years ago 1 671 Скачать Далее
Bertha: The World's Largest Tunnel Boring Machine | Breaking Ground in Seattle Vidi Pedia Hub 0:56 5 months ago 2 774 Скачать Далее
