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Ancient Megastructures - Season 1
Examine how ancient civilisations built some of the most magnificent structures on the face of the Earth, many centuries before the industrial revolution.
Runtime: 26:14 minutes
Quality: HD
First air date: Mar 19, 2011
Last air date: Mar 26, 2011
Episode: 9 Episode
Season: 2 Season
IMDb: 2.6
Keywords:history
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