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23 季节
705 插曲
现代奇迹 - Season 7 Episode 38 第 38 集
Fortification evolved as man tried to defend his territory from attack. From fenced-in hills to walled cities to impenetrable forts, strongholds of the past echo the history of battles for territorial control. In a 2-hour special, we examine various historical defenses, including France’s Maginot Line, a defensive string of forts with enfilading firepower; the Atlantic Wall, 3,000 miles of shore fortifications built by Germany in WWII; and the North American Aerospace Defense Command (NORAD).
- 年: 2022
- 国家: United States of America
- 类型: Documentary
- 工作室: History, H2
- 关键词: technology, invention, disaster, construction, machine
- 导向器: Bruce Nash
- 投: