Perched 45 metres (148 feet) high, young apprentice electricians replace a connection atop a pylon. In the UK, National Grid recruitment is at full power as its electricity network adapts for renewables.
As new production sites multiply, particularly for wind and solar power, the privately-run company that owns the high-voltage pylons and cables in England and Wales said it is implementing "the largest overhaul of the electricity grid in generations".
