Blue Peter

Season 19 Episode 42: Episode 42

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.

Genre:

Family

Seasons:

68

Episodes:

2050

Cast:

Quality:

HD

Duration:

25 min

First Air:

1958

Rating:

7.5