10 Mevsim
164 Bölüm
Bilim ve Ötesi - Season 1 Episode 23 23. Bölüm
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.
- Yıl: 2022
- Ülke: Australia
- Tür: Documentary, News
- Stüdyo: ABC TV
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