When did Impossible Engineering Season 2 Episode 5 air?
Impossible Engineering Season 2 Episode 5 aired on April 13, 2016.


Behind every seemingly impossible marvel of modern engineering is a cast of historic trailblazers who designed new building techniques, took risks on untested materials and revolutionised their field. Each episode details how giant structures, record-beating buildings, war ships and spacecraft are built and work. As the show revels in these modern day creations, it also leaps back in time to recount the stories of the exceptional engineers whose technological advances made it all possible.

How did engineers move mountains to build the longest and deepest rail tunnel on the planet? Discover how 25 million tons of rock were moved to build this modern wonder, the Gotthard Base Tunnel.
Direct answers for episode-level questions and details.
Impossible Engineering Season 2 Episode 5 aired on April 13, 2016.
This episode runs for approximately 42 minutes.
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