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Catalyst - Season 1 Episode 23 Tokyo Flood Prevention

Trailer
Fifty meters beneath the teeming mega-city of Tokyo is an underworld river system - 6.4km of tunnels, colossal water tanks, massive pillars, giant pumps that remove 200 tons of floodwater every second. It’s an engineering marvel built to protect Tokyo against the increasing threat of flooding.

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First Air Date: Jan 01, 2014

Last Air date: Aug 09, 2022

Season: 10 Season

Episode: 164 Episode

Runtime: 30 minutes

IMDb: 0.00/10 by 0.00 users

Popularity: 5.426

Language: English

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