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Where Did It Come From? - Season 1 Episode 7
Ancient Chinese civil wars spawned the revolutionary crossbow and stirrup. Later, perhaps the greatest Chinese triumphs were gunpowder and the cannon, used to arm the Great Wall. These influenced warfare for centuries to follow.
- Năm: 2006
- Quốc gia: United States of America
- Thể loại: Documentary
- Studio:
- Từ khóa:
- Giám đốc:
- Diễn viên: Michael Guillen
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