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Richard Hammond's Big!

S1 E5 | World's Greatest Tunnel

0h 41m|TVPG|Science, Documentary, Technology|2020
Richard Hammond goes behind-the-scenes of the world's longest underground railway connection to uncover how hi-tech equipment helps engineers blast through solid rock to create a cutting-edge train line over a mile beneath the earth's surface.
Richard Hammond's Big!
Season
1
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