Building The English Channel Tunnel
99.4 هزار بار بازدید -
11 سال پیش
-
This documentary explains the building
This documentary explains the building of the tunnel boring machines along with details of how the tunnel was built. The primary machines or "TBM's" were the size of submarines with lunch rooms,barracks and an infirmary. This was 150 years in the making. The difficulty was equal to landing a man on the moon. These were one off custom machines, an incredible undertaking and technological acheivment.
11 سال پیش
در تاریخ 1392/02/14 منتشر شده
است.
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