Overview:We check in on our engineers encountering all manner of issues tunnelling through a minefield of existing infrastructure - skyscraper footings and basements, sewers, a graveyard, and rail tunnels.
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First Air Date: Aug 12, 2020Last Air date: Sep 09, 2020Season: 1 SeasonEpisode: 4 EpisodeRuntime: 51:14 minutesQuality: HDIMDb: 10 / 10 by 0 usersPopularity: 2.017Language: en
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