Catalyst Season 1 Episode 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.
1 - 26Mega-tsunamisJan. 01, 2014- 1 - 25BioluminescenceJan. 01, 2011
- 1 - 24Life Enhancing DrugsJan. 01, 2013
- 1 - 23Tokyo Flood PreventionJan. 01, 2014
- 1 - 22Ancient WritingJan. 01, 2013
- 1 - 21Fast Food For HummingbirdsJan. 01, 2011
- 1 - 20Extreme WeatherJan. 01, 2013
- 1 - 19Honey BeesJan. 01, 2014
- 1 - 18Cardiac ImplantsJan. 01, 2013
- 1 - 17Allergy PillJan. 01, 2014
- 1 - 16Peacock SpiderJan. 01, 2013
- 1 - 15Quantum ComputingJan. 01, 2013
- 1 - 14Future CitiesJan. 01, 2014
- 1 - 133D VirusJan. 01, 2013
- 1 - 12Alien TechnologyJan. 01, 2015
- 1 - 11Powering The MindJan. 01, 2015
- 1 - 10AntivenomJan. 01, 2015
- 1 - 9Our Chemical LivesJan. 01, 2015
- 1 - 8Super Solar CellsJan. 01, 2015
- 1 - 7Sun's Lost SiblingsJan. 01, 2015
- 1 - 6Wings Of WonderJan. 01, 2013
- 1 - 5VoyagerJan. 01, 2013
- 1 - 4Polar PeopleJan. 01, 2015
- 1 - 3Virtual UniverseJan. 01, 2014
- 1 - 2Shark BehaviorJan. 01, 2015
- 1 - 1Jane GoodallJan. 01, 2014
