When did Ancient Engineering Season 1 Episode 2 air?
Ancient Engineering Season 1 Episode 2 aired on April 7, 2021.


Using the latest technological insights, this series sheds new light on how incredible feats of ancient engineering were achieved and how they continue to influence modern-day engineers and shape our world.

Since the earliest civilizations, humans have needed walls to protect them. From rudimentary walls around early towns and cities to vast fortresses and castles, culminating in one of the greatest engineering triumphs of all time – the Great Wall of China.
Direct answers for episode-level questions and details.
Ancient Engineering Season 1 Episode 2 aired on April 7, 2021.
This episode runs for approximately 43 minutes.
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