Extreme Engineering: Rio De Janeiro Power Grid- Discovery Science 19.10.2025 14:26

Názov: Extreme Engineering: Rio De Janeiro Power Grid
Tv stanica: Discovery Science
Deň: 19.10.2025
Čas: 14:26
Popis: Danny is in Brazil where they are building one of the world's largest hydroelectric projects, tunnelling through seven mountains and building two dams. [AL]
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