How Did They Build That?: Military Castles | Reel Truth Science

In this episode Doctor Scott Steveman investigates how defences structures like castles and military defences are built!

An investigation into the greatest man-made structures of all time, exploring how new materials and construction techniques have allowed engineers, builders and architects to work to the limits of their ability. The series focuses on the buildings that re-wrote the rulebook, and the architects, engineers and builders who made the impossible possible.

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