Synopsis
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.
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.