Keeping the world's longest railroad tunnel safe
1:42
BMS Behind the Scenes┃Episode 2: Lake Padarn Photogrammetry
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Deutsche Straftäter in Japan: Leben zwischen Einsamkeit und Drill | ZDFinfo Doku
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Switzerland Built the World's Longest Tunnel
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The world's most useful model railway
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10 Mountain Collapses Caught on Camera
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I rode the world's fastest train.
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The Incredible Chilean Miner Rescue
22:23