electricity

Wind turbines on a mountain

Salah

Wind turbines in Guarda, Portugal

Salah

Telephone pole

Salah

Power voltage box in Hungary

Salah

Green electricity pylon

Salah

Power pole in the czech republic

Salah

Light switch

Salah

Old street lamp

Salah

Ceiling light

Salah

Light bulbs glow in the dark room black and white

Salah

Light bulbs glow in the dark room

Salah

Light bulb in modern lamp

Salah