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So I'll congratulate you again because I really don't know how you could have created those plays of light, you are very good, I had not seen similar photographs before made with this technique.

Thanks. It basically is a long exposure in the dark and you light up what you want on the photo with flashlights. For the effects you can use anything that emits light, I wrote what I used below the photos. It is like painting but using the camera sensor as canvas and light as a brush.