Streetlight

a raised source of light on the edge of a road or walkway

A streetlight is a light bulb on a pole used for lighting streets. Streets can be lit for safety or visibility reasons, so people can see where they are walking at night. Streetlights are normally either orange or blue. The blue ones are mercury-vapor lamps. They are older and last longer. The orange ones are sodium vapor lamps. They are newer and more efficient.

Streetlight
Streetlights in Ystad 2021.

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