Blue Peter

Episode 42

TV-PG
S19 • E42    Feb 7, 1983
Welsh Giant !

Deep in the heart of the Elidir Mountain a million tons of concrete and steel reinforce an eight-mile labyrinth of tunnels and underground caverns. Simon reports from Dinorwic - Europe's largest pumped storage power station.

Where to Watch Blue Peter - S19 • E42

 

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