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An exploration of how some of the world's biggest man-made structures were built.

Documentary · 2020年 · 45 分钟
主演 Scott Rummel

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How Did They Build That?

Documentary

An exploration of how some of the world's biggest man-made structures were built.

信息

制片商
Smithsonian
发行时间
2020年
评级
TV-PG
© 2025 Viacom International, inc.

语言

原音频
English (United States)
音频与字幕
English (United States) (⁨Dolby 5.1⁩、AAC、隐藏式字幕)

辅助功能

隐藏式字幕 (CC) 是指在可用语言字幕中添加相关非对话信息的字幕。