Overview:Engineering that has overcome some of the greatest mountain ranges to create innovative railways, including a tunnel in the Swiss Alps and a zig-zag railway in Ecuador.
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First Air Date: Jan 23, 2018Last Air date: Mar 19, 2019Season: 2 SeasonEpisode: 12 EpisodeRuntime: 45:14 minutesQuality: HDIMDb: 3 / 10 by 2 usersPopularity: 1.3061Language: en
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