When did Impossible Engineering Season 2 Episode 4 air?
Impossible Engineering Season 2 Episode 4 aired on April 6, 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.

China's Three Gorges Dam is the largest and heaviest concrete structure on earth, and it produces more power than any hydroelectric dam ever built. Discover how engineers reshaped a river to accomplish this incredible engineering feat.
Direct answers for episode-level questions and details.
Impossible Engineering Season 2 Episode 4 aired on April 6, 2016.
This episode runs for approximately 42 minutes.
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