How to get fire out of water using a water lens?

Friends! I decided to experiment a bit to get the fire out of the water. How? You probably know that you can light paper with a collecting lens. Really? How do I make collecting lenses out of water? This video is dedicated to this . I took convex forms of plastic filled them with water and got a collecting lens, by the way in water it looks like a scattering lens.... and there’s a collecting lens in the air . Look at what came out of it. Do you want to make such an experiment? It will require an empty conv