Kind: captions
Language: en
World War I the first modern arms race
now a massive archaeological dig reveals
how the technology went from horses you
can see the end of the jaw to tanks it
took four men to try and steer the thing
and underground the tunnel it wasn't on
any map has the biggest explosion the
world had ever seen rocked the Western
Front I've never seen anything like that
secret tunnel Warfare on Nova
[Music]