Catalyst - Season 1 - Eps 23: Tokyo Flood Prevention
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.
About Catalyst
Title: Catalyst
First Air Date: 2014-01-01
Last Air Date: 2022-08-09
Status: Returning Series
Rating: 0/10 (from 0 votes)
Language: EN
Seasons: 10
Total Episodes: 164
Network: ABC TV
Genres: Documentary, News
Production Companies: Australian Broadcasting Corporation
Synopsis
Catalyst is Australia's premier science investigation series. Each week the team brings you stories from Australia and around the world, meeting scientists at the forefront of discovery.
