Winter gets dark very early. Most people just stay inside. But some artists use the long, dark nights as a blank canvas. They build massive light installations in parks and city squares.

Photo: Shutterstock/Victoria Ditkovsky

Fighting The Freezing Cold

Putting electronics outside in the snow is risky. Regular plastic cords get stiff and snap when they freeze. So makers have to use heavy rubber cables that stay flexible.

Photo: Shutterstock/ThreeEyedRavenProductions

They also have to keep the computer equipment warm. The computers that run the light shows sit in special heated boxes. If the gear gets too cold, the whole display just shuts down.

Mapping The Buildings

Makers do more than just hang string lights. They often paint with light using big projectors. This is called projection mapping.

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They scan a building to get its exact shape. Then they build a custom video that fits perfectly around the windows and doors. When they turn on the projector, the building looks like it is moving or changing shape.

Running The Power

None of this works without a lot of electricity. A big installation can pull more power than a whole street of houses. Makers have to hide miles of thick black cables. They run them underground or cover them with ramps so people do not trip in the dark.

It takes weeks of dirty work in the freezing cold. But the result is a bright, warm space that brings people together when it is freezing outside.