As the ship moves, it creates splashes and waves at the stern.
This work projects light onto the wake and makes it visible.  It draws lines of light on the surface of the water by overlaying a variety of colors emitted from full-color lighting onto the dynamic wakes.
You can see the "Wake of Light" created by cruise ships sailing along the Dojima River, a major river in Osaka known as the city of canals, from the promenade and along the river.It bring colour into the nighttime river scenery in Osaka.