Electric light bulb as a symbol of light in the darkElectric light bulb as a symbol of light in the dark
The light of the sun over a planet with a satellite in spaceThe light of the sun over a planet with a satellite in space
Lights of the night city. bright light of lanternsLights of the night city. Bright light of lanterns
The traffic light on which red, yellow and green are litThe traffic light on which red, yellow and green are lit