What did you do here during the four minutes? That's the question! Did you built a machine to turn around the lights? Or is this "three colour circle creation" complete digital art? And the photo is only smoke? I don't know, but I like the picture. Very interesting ❤️
I speak in French, so it's translated into English. So in English it's called Light Painting. So for 4mn, there achac times the change of color and seen that it done in the night, the preparation takes a little time, although the material of color and well prepared before the beginning of the taking. The smoke is made with a flashlight and a small plate of Plexiglass 5mm thick. This is the same exercise for the other 3 photos ...