Laser show in Utrecht for the aniversary of the university. 7 colored laser beams are projected from the Trans building at the Uithof onto the Dom tower in the city center.
As you can see some of the beams are clearly color combined, and the colors split up at the destination due to atmospheric disturbances. These also cause the beams to move about 50 cm in all directions, which cannot be seen in these long exposure photographs.
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