Recently installed over a large area in the town center of the seaside resort of Donville-les-Bains, the lens lighting gives the impression of walking on a cloud.
According to its creator Frédéric Gervais, “the advantage of the lens over a gobo is that there’s no obstacle to block the light, so the effects are much less geometric and more natural.
https://verreindustrie.fr/en/lighting/