Secrets of Lost Empires: Medieval Siege (1)
Run Time: 55 mins
Air Date: Tue, 1 Feb 2000
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PBSSeason 27 - Episode 10
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In the film, which is a part of the NOVA series Secrets of Lost Empires, a team of timber framers and other specialists design, build, and fire a pair of trebuchets, a devastating engine of war popular in the Middle Ages.