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Principle of light show on both sides of Changsha River
The principle is to control the lights through program control or manual buttons.

The light show on both sides of the Yangtze River in Changsha adopts program control or manual button to control the electromagnetic valve to control the pattern, and controls the change of light color and turn off the lights by controlling the music signal. Therefore, the color of light in the flash box and the water resources in the fountain change with the rhythm of light.

The light show is famous for its lifelike 3D effects, creative pictures and unique China elements.