When did Catalyst Season 1 Episode 23 air?
Catalyst Season 1 Episode 23 aired on January 1, 2014.
Catalyst
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.
Season 1 · Episode 23
Tokyo Flood Prevention
Jan 1, 2014·30m
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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How long is Catalyst Season 1 Episode 23?
This episode runs for approximately 30 minutes.
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