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.
| Title | Catalyst - Season 1 Episode 23 Tokyo Flood Prevention |
|---|---|
| Year | 2022 |
| Genre | Documentary, News |
| Country | Australia |
| Studio | ABC TV |
| Cast | |
| Crew | |
| Alternative Titles | |
| Keyword | |
| First Air Date | Jan 01, 2014 |
| Last Air date | Aug 09, 2022 |
| Season | 10 Season |
| Episode | 164 Episode |
| Runtime | 30:14 minutes |
| Quality | HD |
| IMDb: | 0.00/ 10 by 0.00 users |
| Popularity | 17.642 |
| Language | English |
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